{"id":944,"date":"2023-04-12T15:21:58","date_gmt":"2023-04-12T06:21:58","guid":{"rendered":"http:\/\/edu.ujhb.org\/?p=944"},"modified":"2023-04-12T15:21:58","modified_gmt":"2023-04-12T06:21:58","slug":"javascript%e5%85%a5%e9%96%80%ef%bc%88%e6%97%a5%e6%9c%ac%e8%aa%9e%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=944","title":{"rendered":"JavaScript\u5165\u9580\uff08\u65e5\u672c\u8a9e\u7248\uff09"},"content":{"rendered":"\n<p>IT\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30d3\u30c7\u30aa\u3092\u3084\u308a\u305f\u3044\u306e\u3067\u3059\u304c\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5fdc\u3058\u3066\u30d3\u30c7\u30aa\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u7f6e\u3057\u3066\u3044\u305f\u3060\u3051\u307e\u3059\u304b\u3002 JavaScript\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3001\u305d\u3057\u3066\u3042\u306a\u305f\u306f\u79c1\u306b\u30ab\u30d0\u30fc\u3059\u308b\u3082\u306e\u306e\u30ea\u30b9\u30c8\u3092\u4e0e\u3048\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3082\u3061\u308d\u3093\u3067\u3059\uff01 JavaScript \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u4e3b\u306a\u5185\u5bb9\u306e\u4e00\u89a7\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b8\u30e3\u30d0\u30b9\u30af\u30ea\u30d7\u30c8\u5165\u9580\n<ul class=\"wp-block-list\">\n<li>JavaScript \u306e\u6b74\u53f2\u3068\u767a\u5c55<\/li>\n\n\n\n<li>JavaScript \u306e\u7528\u9014\u3068\u30b7\u30ca\u30ea\u30aa<\/li>\n\n\n\n<li>\u30b8\u30e3\u30d0\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u9577\u6240\u3068\u77ed\u6240<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b8\u30e3\u30d0\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u57fa\u672c\n<ul class=\"wp-block-list\">\n<li>JavaScript\u306e\u30c7\u30fc\u30bf\u306e\u7a2e\u985e<\/li>\n\n\n\n<li>\u5909\u6570\u3068\u5b9a\u6570<\/li>\n\n\n\n<li>\u6f14\u7b97\u5b50\u3068\u5f0f<\/li>\n\n\n\n<li>\u5236\u5fa1\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b8\u30e3\u30d0\u30b9\u30af\u30ea\u30d7\u30c8\u95a2\u6570\n<ul class=\"wp-block-list\">\n<li>\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u547c\u3073\u51fa\u3057<\/li>\n\n\n\n<li>\u95a2\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u623b\u308a\u5024<\/li>\n\n\n\n<li>\u30b9\u30b3\u30fc\u30d7\u3068\u30af\u30ed\u30fc\u30b8\u30e3<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9<\/li>\n\n\n\n<li>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u30c1\u30a7\u30fc\u30f3\u3068\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30c1\u30a7\u30fc\u30f3<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7d99\u627f<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>JavaScript \u914d\u5217\n<ul class=\"wp-block-list\">\n<li>\u914d\u5217\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u914d\u5217\u306e\u4e00\u822c\u7684\u306a\u65b9\u6cd5<\/li>\n\n\n\n<li>\u591a\u6b21\u5143\u914d\u5217<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b8\u30e3\u30d0\u30b9\u30af\u30ea\u30d7\u30c8\u30a4\u30d9\u30f3\u30c8\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u306e\u6982\u5ff5\u3068\u7a2e\u985e<\/li>\n\n\n\n<li>\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b8\u30e3\u30d0\u30b9\u30af\u30ea\u30d7\u30c8 DOM\n<ul class=\"wp-block-list\">\n<li>DOM\u306e\u6982\u5ff5\u3068\u69cb\u9020<\/li>\n\n\n\n<li>DOM \u306e\u4e00\u822c\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3<\/li>\n\n\n\n<li>\u30ce\u30fc\u30c9\u306e\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3068\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>JavaScript AJAX\n<ul class=\"wp-block-list\">\n<li>AJAX\u306e\u6982\u5ff5\u3068\u5f79\u5272<\/li>\n\n\n\n<li>AJAX\u306e\u4ed5\u7d44\u307f\u3068\u305d\u306e\u5b9f\u88c5\u65b9\u6cd5<\/li>\n\n\n\n<li>AJAX \u304c\u30b5\u30fc\u30d0\u30fc\u3068\u5bfe\u8a71\u3059\u308b\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b8\u30e3\u30d0\u30b9\u30af\u30ea\u30d7\u30c8 jQuery\n<ul class=\"wp-block-list\">\n<li>jQuery \u306e\u6982\u5ff5\u3068\u5f79\u5272<\/li>\n\n\n\n<li>jQuery \u306e\u4e00\u822c\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3<\/li>\n\n\n\n<li>jQuery \u30bb\u30ec\u30af\u30bf\u30fc\u3068\u30a4\u30d9\u30f3\u30c8<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6982\u5ff5\u3068\u539f\u5247<\/li>\n\n\n\n<li>JavaScript \u3067\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u4e0a\u8a18\u306f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8abf\u6574\u304a\u3088\u3073\u62e1\u5f35\u3067\u304d\u308bJavaScript\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u6bd4\u8f03\u7684\u5b8c\u5168\u306a\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u6b74\u53f2\u3084\u767a\u5c55\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript\u306f\u3001Web\u30da\u30fc\u30b8\u306b\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u6027\u3068\u52d5\u7684\u52b9\u679c\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u52d5\u7684\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u3002 JavaScript \u306e\u6b74\u53f2\u3068\u767a\u5c55\u306e\u6982\u8981\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>1995\u5e74\u3001Netscape\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306eBrendan Eich\u306f\u3001Netscape Navigator\u30d6\u30e9\u30a6\u30b6\u7528\u306bMocha\u3068\u547c\u3070\u308c\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 Mocha\u306f\u5f8c\u306bLiveScript\u306b\u6539\u540d\u3055\u308c\u3001\u6700\u7d42\u7684\u306b\u306fJavaScript\u306b\u6539\u540d\u3055\u308c\u307e\u3057\u305f\u3002 JavaScript \u306e\u76ee\u6a19\u306f\u3001\u958b\u767a\u8005\u304c Web \u30da\u30fc\u30b8\u306b\u52d5\u7684\u52b9\u679c\u3092\u7c21\u5358\u306b\u8ffd\u52a0\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>1996\u5e74\u3001\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306f\u72ec\u81ea\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3042\u308bInternet Explorer\u3092\u767a\u58f2\u3057\u3001\u72ec\u81ea\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9eJScript\u3092\u57cb\u3081\u8fbc\u307f\u307e\u3057\u305f\u3002 JScript \u306e\u69cb\u6587\u3068\u6a5f\u80fd\u306f JavaScript \u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u5b8c\u5168\u306a\u4e92\u63db\u6027\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>1997\u5e74\u3001JavaScript\u306f\u6a19\u6e96\u5316\u306e\u305f\u3081\u306b\u6b27\u5dde\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u88fd\u9020\u696d\u8005\u5354\u4f1a(ECMA)\u306b\u63d0\u51fa\u3055\u308c\u307e\u3057\u305f\u3002 ECMA-262\u306fJavaScript\u3092\u6a19\u6e96\u5316\u3057\u3001JavaScript\u3092\u3088\u308a\u79fb\u690d\u6027\u306e\u3042\u308b\u3082\u306e\u306b\u3057\u3001Web\u958b\u767a\u3067\u306e\u5e83\u7bc4\u306a\u4f7f\u7528\u3092\u4fc3\u9032\u3059\u308b\u305f\u3081\u306e\u4e00\u9023\u306e\u30eb\u30fc\u30eb\u3068\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u6570\u5e74\u9593\u3067\u3001JavaScript\u306fWeb\u958b\u767a\u306e\u91cd\u8981\u306a\u90e8\u5206\u306b\u306a\u308a\u3001HTML\u3084CSS\u3068\u3068\u3082\u306bWeb\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u4e2d\u6838\u3092\u5f62\u6210\u3057\u307e\u3057\u305f\u3002 \u30d6\u30e9\u30a6\u30b6\u3068\u30a6\u30a7\u30d6\u6280\u8853\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001JavaScript\u3082\u9032\u5316\u3057\u307e\u3059\u3002 ECMAScript 6 (ES6) \u3084 ECMAScript 2022 \u306a\u3069\u306e\u65b0\u3057\u3044 ECMA \u6a19\u6e96\u3067\u306f\u3001JavaScript \u3092\u3088\u308a\u67d4\u8edf\u304b\u3064\u5f37\u529b\u306b\u3059\u308b\u65b0\u3057\u3044\u6a5f\u80fd\u3068\u69cb\u6587\u304c\u7d76\u3048\u305a\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript\u306f\u3001Web\u958b\u767a\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30b2\u30fc\u30e0\u3001\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u30ce\u30fc\u30c9.js \u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u3082JavaScript\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 \u73fe\u5728\u3001JavaScript\u306f\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e1\u3064\u306b\u306a\u308a\u3001Web\u958b\u767a\u304a\u3088\u3073\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u4e0d\u53ef\u6b20\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e1\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u76ee\u7684\u3068\u9069\u7528\u30b7\u30ca\u30ea\u30aa\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript\u306f\u3001\u4e3b\u306bWeb\u30da\u30fc\u30b8\u306b\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u6027\u3068\u52d5\u7684\u52b9\u679c\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u30ea\u30c3\u30c1\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u975e\u5e38\u306b\u4eba\u6c17\u306e\u3042\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u3002 JavaScript \u306e\u4e3b\u306a\u7528\u9014\u3068\u4f7f\u7528\u4f8b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>JavaScript\u306f\u3001Web\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u306b\u6b20\u304b\u305b\u306a\u3044\u6280\u8853\u306e\u4e00\u3064\u3067\u3059\u3002 \u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3001\u52d5\u7684\u306aWeb\u30da\u30fc\u30b8\u52b9\u679c\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u691c\u8a3c\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u52b9\u679c\u3001\u30da\u30fc\u30b8\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306a\u3069\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 React\u3001Vue.js\u3001Angular\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001JavaScript\u306b\u57fa\u3065\u3044\u3066\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>JavaScript \u306f\u3082\u3068\u3082\u3068\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u7528\u306b\u8a2d\u8a08\u3055\u308c\u307e\u3057\u305f\u304c\u3001JavaScript \u306f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u3082\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u30ce\u30fc\u30c9.js\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067JavaScript\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308bJavaScript\u8a00\u8a9e\u30d9\u30fc\u30b9\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u3067\u3059\u3002 \u3053\u308c\u306fWeb\u958b\u767a\u3067\u975e\u5e38\u306b\u4eba\u6c17\u306e\u3042\u308b\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u306a\u308a\u3001\u52b9\u7387\u7684\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068API\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>JavaScript \u306f\u30b2\u30fc\u30e0\u958b\u767a\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 HTML5\u3068Canvas\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u51fa\u73fe\u306b\u3088\u308a\u3001JavaScript\u3092\u4f7f\u7528\u3057\u3066\u30b2\u30fc\u30e0\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u73fe\u5728\u3001Phaser\u3001Three.js\u3001Babylon\u3001.js\u306a\u3069\u3001JavaScript\u30d9\u30fc\u30b9\u306e\u30b2\u30fc\u30e0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>JavaScript \u306f\u3001\u30e2\u30d0\u30a4\u30eb \u30a2\u30d7\u30ea\u306e\u958b\u767a\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 React Native\u3001Ionic\u3001Cordova \u306a\u3069\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092JavaScript\u3092\u4f7f\u7528\u3057\u3066\u4f5c\u6210\u3057\u3001\u8907\u6570\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u30c7\u30d7\u30ed\u30a4\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d6\u30e9\u30a6\u30b6\u62e1\u5f35\u6a5f\u80fd\u306e\u958b\u767a \u30d6\u30e9\u30a6\u30b6\u62e1\u5f35\u6a5f\u80fd\u306fJavaScript\u3067\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002 JavaScript \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u958b\u767a\u8005\u306f\u30ab\u30b9\u30bf\u30e0\u6a5f\u80fd\u3084\u62e1\u5f35\u30c4\u30fc\u30eb\u3092\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8981\u3059\u308b\u306b\u3001JavaScript\u306fWeb\u958b\u767a\u3060\u3051\u3067\u306a\u304f\u3001\u5e45\u5e83\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3067\u304d\u308b\u591a\u76ee\u7684\u8a00\u8a9e\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u3057\u3066\u306eJavaScript\u306b\u306f\u3001\u6b21\u306e\u9577\u6240\u3068\u77ed\u6240\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4fa1\u5024\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e: JavaScript \u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb \u30d7\u30ed\u30bb\u30b9\u306a\u3057\u3067\u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u76f4\u63a5\u5b9f\u884c\u3067\u304d\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001JavaScript \u306f Web \u958b\u767a\u306b\u6700\u9069\u306b\u306a\u308a\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5bfe\u8a71\u6027\u3068\u30c0\u30a4\u30ca\u30df\u30af\u30b9\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7fd2\u5f97\u304c\u7c21\u5358: JavaScript \u306e\u69cb\u6587\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u7fd2\u5f97\u3068\u4f7f\u7528\u304c\u7c21\u5358\u3067\u3059\u3002 \u958b\u767a\u8005\u306f\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u3092\u8fc5\u901f\u304b\u3064\u8fc5\u901f\u306b\u958b\u59cb\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411: JavaScript \u306f\u3001\u512a\u308c\u305f\u30ab\u30d7\u30bb\u30eb\u5316\u3001\u7d99\u627f\u3001\u304a\u3088\u3073\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u5099\u3048\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u826f\u597d\u306a\u4e92\u63db\u6027:JavaScript\u306f\u3059\u3079\u3066\u306e\u6700\u65b0\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3055\u308c\u3001\u8ffd\u52a0\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u62e1\u5f35\u6a5f\u80fd\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002 \u3053\u308c\u306b\u3088\u308a\u3001JavaScript \u306f Web \u958b\u767a\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30c6\u30af\u30ce\u30ed\u30b8\u306e 1 \u3064\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u52d5\u7684: JavaScript \u306f\u52d5\u7684\u3067\u3042\u308a\u3001\u958b\u767a\u8005\u306f\u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u901a\u3058\u3066\u30b3\u30fc\u30c9\u3092\u52d5\u7684\u306b\u5909\u66f4\u3057\u305f\u308a\u3001\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u65e2\u5b58\u306e\u6a5f\u80fd\u3092\u524a\u9664\u3057\u305f\u308a\u3067\u304d\u308b\u305f\u3081\u3001\u958b\u767a\u304c\u3088\u308a\u67d4\u8edf\u3067\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u77ed\u6240\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c: JavaScript \u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u5b9f\u884c\u3055\u308c\u3001\u653b\u6483\u3084\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u306b\u5bfe\u3057\u3066\u8106\u5f31\u3067\u3059\u3002 \u958b\u767a\u8005\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u5165\u529b\u30c7\u30fc\u30bf\u3092\u53b3\u5bc6\u306b\u691c\u8a3c\u3057\u3066\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e92\u63db\u6027\u306e\u554f\u984c: \u6700\u65b0\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u306f JavaScript \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\u3001JavaScript \u306e\u5b9f\u88c5\u306f\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u4e92\u63db\u6027\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u958b\u767a\u8005\u306f\u3001\u958b\u767a\u4e2d\u306b\u4e92\u63db\u6027\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u7570\u306a\u308b\u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u540c\u3058\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5909\u6570\u30b9\u30b3\u30fc\u30d7\u306e\u554f\u984c: JavaScript \u306e\u5909\u6570\u306f\u95a2\u6570\u30ec\u30d9\u30eb\u3067\u30b9\u30b3\u30fc\u30d7\u3055\u308c\u308b\u305f\u3081\u3001\u540d\u524d\u306e\u91cd\u8907\u3084\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u306e\u6df7\u4e71\u306a\u3069\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u305f\u3081\u3001\u958b\u767a\u8005\u306f\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u4ed5\u69d8\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c: JavaScript \u306f\u30a4\u30f3\u30bf\u30fc\u30d7\u30ea\u30bf\u30fc\u8a00\u8a9e\u3067\u3042\u308a\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u8a00\u8a9e\u3088\u308a\u3082\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u6700\u65b0\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u5b9f\u884c\u52b9\u7387\u306e\u305f\u3081\u306bJavaScript\u3092\u6700\u9069\u5316\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3084\u8907\u96d1\u306a\u64cd\u4f5c\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u306f\u4f9d\u7136\u3068\u3057\u3066\u554f\u984c\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001JavaScript\u306f\u5f37\u529b\u3067\u7fd2\u5f97\u3057\u3084\u3059\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u304c\u3001\u958b\u767a\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u958b\u767a\u8005\u304c\u6ce8\u610f\u3092\u6255\u3044\u3001\u89e3\u6c7a\u3059\u308b\u5fc5\u8981\u306e\u3042\u308b\u3044\u304f\u3064\u304b\u306e\u6b20\u70b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u30c7\u30fc\u30bf\u578b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306e\u30c7\u30fc\u30bf\u578b\u306f\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u30c7\u30fc\u30bf\u578b\u3068\u8907\u5408\u30c7\u30fc\u30bf\u578b\u306e 2 \u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u30c7\u30fc\u30bf\u578b<\/li>\n<\/ol>\n\n\n\n<p>JavaScript \u306b\u306f 5 \u3064\u306e\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u5024\u578b: \u6574\u6570\u3084\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306a\u3069\u306e\u6570\u5024\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6587\u5b57\u5217\u578b: \u30c6\u30ad\u30b9\u30c8\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d6\u30fc\u30eb\u578b (\u30d6\u30fc\u30eb\u5024): \u771f\u307e\u305f\u306f\u507d\u3092\u793a\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>Null: null \u5024\u307e\u305f\u306f\u5b58\u5728\u3057\u306a\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u672a\u5b9a\u7fa9: \u672a\u5b9a\u7fa9\u306e\u5024\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u578b\u306f\u4e0d\u5909\u3067\u3042\u308a\u3001\u4e00\u5ea6\u4f5c\u6210\u3059\u308b\u3068\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8907\u5408\u30c7\u30fc\u30bf\u578b<\/li>\n<\/ol>\n\n\n\n<p>JavaScript \u306b\u306f\u3001\u6b21\u306e 3 \u7a2e\u985e\u306e\u8907\u5408\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7a2e\u985e: \u8907\u6570\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080\u3053\u3068\u304c\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u914d\u5217\u578b: \u8907\u6570\u306e\u8981\u7d20\u3092\u542b\u3080\u3053\u3068\u304c\u3067\u304d\u308b\u9806\u5e8f\u4ed8\u304d\u30ea\u30b9\u30c8\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u95a2\u6570\u306e\u7a2e\u985e: \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u623b\u308a\u5024\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u95a2\u6570\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u578b\u306f\u5909\u66f4\u53ef\u80fd\u3067\u3042\u308a\u3001\u5024\u306f\u52d5\u7684\u306b\u8ffd\u52a0\u3001\u5909\u66f4\u3001\u304a\u3088\u3073\u524a\u9664\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30c7\u30fc\u30bf\u578b\u306b\u52a0\u3048\u3066\u3001JavaScript \u306b\u306f 2 \u3064\u306e\u7279\u5225\u306a\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b7\u30f3\u30dc\u30eb\u306e\u7a2e\u985e: \u4e00\u610f\u306e\u8b58\u5225\u5b50\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>BigInt \u578b: \u4efb\u610f\u306e\u7cbe\u5ea6\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6574\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001JavaScript \u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u8c4a\u5bcc\u306a\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u307e\u3059\u3002 \u958b\u767a\u8005\u306f\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u7279\u5b9a\u306e\u72b6\u6cc1\u306b\u9069\u3057\u305f\u30c7\u30fc\u30bf\u578b\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>Javascript\u306e\u5909\u6570\u3068\u5b9a\u6570\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306e\u5909\u6570\u3068\u5b9a\u6570\u306f\u3001\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u8b58\u5225\u5b50\u3067\u3059\u3002 \u305d\u308c\u3089\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u5909\u6570\u306e\u5024\u306f\u5909\u66f4\u3067\u304d\u308b\u306e\u306b\u5bfe\u3057\u3001\u5b9a\u6570\u306e\u5024\u306f\u4e00\u5ea6\u5b9a\u7fa9\u3059\u308b\u3068\u5909\u66f4\u3067\u304d\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5909\u6570<\/li>\n<\/ol>\n\n\n\n<p>JavaScript \u306e\u5909\u6570\u306f\u3001\u30ad\u30fc\u30ef\u30fc\u30c9 var\u3001let\u3001\u304a\u3088\u3073 const \u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002 ES6\u3088\u308a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u958b\u767a\u8005\u306f\u901a\u5e38var\u3092\u4f7f\u7528\u3057\u3066\u5909\u6570\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u5909\u6570\u306e\u6607\u683c\u3084\u30b9\u30b3\u30fc\u30d7\u306e\u554f\u984c\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002 ES6 \u3067\u306f\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b let \u30ad\u30fc\u30ef\u30fc\u30c9\u3068 const \u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>var \u3067\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306b\u306f\u5909\u6570\u306e\u6607\u683c\u304c\u3042\u308a\u3001\u5ba3\u8a00\u306e\u524d\u306b\u5909\u6570\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u5024\u306f\u672a\u5b9a\u7fa9\u3067\u3059\u3002 let \u3068 const \u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306b\u306f\u5909\u6570\u306e\u6607\u683c\u306f\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3001\u5909\u6570\u306f\u5ba3\u8a00\u5f8c\u306b\u306e\u307f\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001var \u3067\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306b\u306f\u95a2\u6570\u30b9\u30b3\u30fc\u30d7\u304c\u3042\u308a\u3001let \u3068 const \u3067\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306b\u306f\u30d6\u30ed\u30c3\u30af\u30ec\u30d9\u30eb\u306e\u30b9\u30b3\u30fc\u30d7\u304c\u3042\u308a\u307e\u3059\u3002 \u30d6\u30ed\u30c3\u30af\u30ec\u30d9\u30eb\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u306f\u3001\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af(if\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3084\u30eb\u30fc\u30d7\u306a\u3069)\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u5909\u6570\u304c\u305d\u306e\u30d6\u30ed\u30c3\u30af\u3067\u306e\u307f\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5909\u6570\u306b\u306f\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u3084\u8907\u5408\u578b\u306a\u3069\u3001\u4efb\u610f\u306e\u578b\u306e\u5024\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u5909\u6570\u306e\u5024\u306f\u3001\u6f14\u7b97\u5b50 (=) \u3092\u5272\u308a\u5f53\u3066\u308b\u304b\u3001\u3055\u307e\u3056\u307e\u306a\u7b97\u8853\u6f14\u7b97\u3001\u8ad6\u7406\u6f14\u7b97\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u306a\u3069\u306b\u3088\u3063\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5b9a\u6570<\/li>\n<\/ol>\n\n\n\n<p>JavaScript \u306e\u5b9a\u6570\u306f\u3001const \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3055\u308c\u307e\u3059\u3002 \u5b9a\u6570\u306f\u3001\u5b9a\u7fa9\u5f8c\u306b\u518d\u5272\u308a\u5f53\u3066\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u518d\u4ee3\u5165\u3057\u306a\u3044\u3068\u3001\u30a8\u30e9\u30fc\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002 \u5b9a\u6570\u306e\u5024\u306f\u5b9a\u7fa9\u6642\u306b\u521d\u671f\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u521d\u671f\u5316\u3057\u306a\u3044\u3068\u30a8\u30e9\u30fc\u3082\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9a\u6570\u306f\u5b9a\u7fa9\u5f8c\u306b\u5909\u66f4\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u5024\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308b\u5834\u5408\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u5b9a\u6570\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u5909\u66f4\u3067\u304d\u308b\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u3067\u3059\u3002 \u305f\u3060\u3057\u3001\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u6570\u306b\u518d\u5272\u308a\u5f53\u3066\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u5909\u6570\u3068\u5b9a\u6570\u306fJavaScript\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002 \u958b\u767a\u8005\u306f\u3001\u5b9a\u6570\u306e\u53ef\u5909\u30b9\u30b3\u30fc\u30d7\u3068\u4e0d\u5909\u306e\u6027\u8cea\u306b\u6ce8\u610f\u3092\u6255\u3044\u306a\u304c\u3089\u3001\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u9069\u5207\u306a\u8b58\u5225\u5b50\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>Javascript\u306e\u6f14\u7b97\u5b50\u3084\u5f0f\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306e\u6f14\u7b97\u5b50\u3068\u5f0f\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u7b97\u8853\u6f14\u7b97\u3001\u8ad6\u7406\u6f14\u7b97\u3001\u304a\u3088\u3073\u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4e00\u822c\u7684\u306a\u6f14\u7b97\u5b50\u3068\u5f0f\u3092\u7d39\u4ecb\u3057\u3001\u305d\u308c\u3089\u306e\u4f7f\u7528\u6cd5\u3068\u512a\u5148\u9806\u4f4d\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6f14\u7b97\u5b50<\/li>\n<\/ol>\n\n\n\n<p>JavaScript \u306e\u6f14\u7b97\u5b50\u306b\u306f\u3001\u6b21\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b97\u8853\u6f14\u7b97\u5b50: \u52a0\u7b97 (+)\u3001\u6e1b\u7b97 (-)\u3001\u4e57\u7b97 (*)\u3001\u9664\u7b97 (\/)\u3001\u5270\u4f59 (%)\u3001\u5897\u5206 (++) \u3068\u6e1b\u5206 (\u2013) \u306a\u3069\u306e\u57fa\u672c\u7684\u306a\u7b97\u8853\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50: \u7b49\u3057\u3044 (==)\u3001\u7b49\u3057\u304f\u306a\u3044 (!=)\u3001\u53b3\u5bc6\u306b\u7b49\u3057\u3044 (===)\u3001\u53b3\u5bc6\u306b\u7b49\u3057\u304f\u306a\u3044 (!==)\u3001\u3088\u308a\u5927\u304d\u3044 (&gt;)\u3001\u3088\u308a\u5c0f\u3055\u3044 (&lt;)\u3001(&gt;=)\u3001\u304a\u3088\u3073 (&lt;=) \u4ee5\u4e0b\u3092\u542b\u3080 2 \u3064\u306e\u5024\u306e\u30b5\u30a4\u30ba\u95a2\u4fc2\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8ad6\u7406\u6f14\u7b97\u5b50: \u8ad6\u7406\u6f14\u7b97\u5b50 (&amp;&amp;)\u3001\u8ad6\u7406\u6f14\u7b97 (|| ) \u3068\u8ad6\u7406\u975e (!) \u3067\u3059\u3002<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50: \u30d3\u30c3\u30c8\u3054\u3068\u306e AND (&amp;)\u3001\u30d3\u30c3\u30c8\u3054\u3068\u306e OR (|)\u3001\u30d3\u30c3\u30c8\u3054\u3068\u306e XOR (^)\u3001\u30d3\u30c3\u30c8\u3054\u3068\u306e NOT (~)\u3001\u5de6\u30b7\u30d5\u30c8 (&lt;&lt;)\u3001\u53f3\u30b7\u30d5\u30c8 (&gt;&gt;) \u306a\u3069\u306e 2 \u9032\u6570\u306e\u64cd\u4f5c\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4ee3\u5165\u6f14\u7b97\u5b50: \u5358\u7d14\u306a\u4ee3\u5165 (=) \u3084\u8907\u5408\u4ee3\u5165 (+=, -=, *=, \/=, %=, &lt;&lt;=, &gt;&gt;=, &amp;=, |=, ^=) \u3092\u542b\u3080\u5909\u6570\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6761\u4ef6\u6f14\u7b97\u5b50: \u4e09\u773c\u6f14\u7b97\u5b50 (?) \u3092\u542b\u3080\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 :\uff09\u3002<\/li>\n\n\n\n<li>\u4ed6\u306e\u6f14\u7b97\u5b50:typeof\u3001instanceof\u3001delete\u3001void\u306a\u3069\u306f\u3001\u7279\u5225\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8868\u73fe<\/li>\n<\/ol>\n\n\n\n<p>\u5f0f\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u5024\u3092\u751f\u6210\u3059\u308b\u6f14\u7b97\u5b50\u3068\u30aa\u30da\u30e9\u30f3\u30c9\u306e\u69cb\u9020\u3067\u3059\u3002 JavaScript \u306e\u5f0f\u306b\u306f\u3001\u6b21\u306e\u578b\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30c6\u30e9\u30eb\u5f0f: \u6570\u5024\u3001\u6587\u5b57\u5217\u3001\u30d6\u30fc\u30eb\u5024\u306a\u3069\u306e\u5024\u3092\u76f4\u63a5\u542b\u307f\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5909\u6570\u5f0f: \u5909\u6570\u306e\u5024\u3092\u53c2\u7167\u3059\u308b\u5909\u6570\u540d\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7b97\u8853\u5f0f: \u7b97\u8853\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u7b97\u8853\u6f14\u7b97\u5b50\u3068\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6bd4\u8f03\u5f0f: 2 \u3064\u306e\u5024\u306e\u30b5\u30a4\u30ba\u95a2\u4fc2\u3092\u6bd4\u8f03\u3059\u308b\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8ad6\u7406\u5f0f: \u8ad6\u7406\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u8ad6\u7406\u6f14\u7b97\u5b50\u3068\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u95a2\u6570\u547c\u3073\u51fa\u3057\u5f0f: \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u623b\u308a\u5024\u3092\u8fd4\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u95a2\u6570\u540d\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u4e00\u89a7\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30e1\u30f3\u30d0\u30fc\u5f0f: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u3092\u53c2\u7167\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6761\u4ef6\u5f0f: \u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u9078\u629e\u306b\u4f7f\u7528\u3055\u308c\u308b\u6761\u4ef6\u6f14\u7b97\u5b50\u3068\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u512a\u5148\u6a29<\/li>\n<\/ol>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u6f14\u7b97\u5b50\u306e\u7a2e\u985e\u304c\u7570\u306a\u308c\u3070\u512a\u5148\u9806\u4f4d\u3082\u7570\u306a\u308a\u307e\u3059\u3002 \u9806\u4f4d<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u307e\u3059<\/p>\n\n\n\n<p>\u30ec\u30d9\u30eb\u306f\u3001\u5f0f\u3067\u6f14\u7b97\u5b50\u304c\u5b9f\u884c\u3055\u308c\u308b\u9806\u5e8f\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002 \u5f0f\u306b\u8907\u6570\u306e\u6f14\u7b97\u5b50\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u512a\u5148\u9806\u4f4d\u304c\u6700\u3082\u9ad8\u3044\u6f14\u7b97\u5b50\u304c\u6700\u521d\u306b\u5b9f\u884c\u3055\u308c\u3001\u540c\u3058\u512a\u5148\u9806\u4f4d\u306e\u6f14\u7b97\u5b50\u304c\u5de6\u304b\u3089\u53f3\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u306e\u4e00\u822c\u7684\u306a\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u3092\u3001\u9ad8\u3044\u3082\u306e\u304b\u3089\u4f4e\u3044\u3082\u306e\u306e\u9806\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u62ec\u5f27 (())<\/li>\n\n\n\n<li>\u30bb\u30eb\u30d5\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8 (++) \u3068\u30c7\u30af\u30ea\u30e1\u30f3\u30c8 (\u2013)<\/li>\n\n\n\n<li>\u5358\u9805\u6f14\u7b97\u5b50 (+\u3001-\u3001~, ! \u3001\u30bf\u30a4\u30d7\u30aa\u30d6\u3001\u30dc\u30a4\u30c9)<\/li>\n\n\n\n<li>\u4e57\u7b97(*)\u3001\u9664\u7b97(\/)\u3001\u5270\u4f59(%)\u3092\u53d6\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d7\u30e9\u30b9 (+) \u3068\u30de\u30a4\u30ca\u30b9 (-)<\/li>\n\n\n\n<li>\u5de6 (&lt;&lt;) \u3068\u53f3 (&gt;&gt;) \u306b\u79fb\u52d5<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u5358\u4f4d\u306e (&amp;)<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u5358\u4f4d\u306e XOR (^)<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u3054\u3068\u306e OR (|)<\/li>\n\n\n\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50 (&lt;, &gt;, &lt;=, &gt;=, \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30aa\u30d6, in)<\/li>\n\n\n\n<li>\u7b49\u3057\u3044\u6f14\u7b97\u5b50 (==, !=, ===, !==)<\/li>\n\n\n\n<li>\u30ed\u30b8\u30c3\u30af\u3068 (&amp;&amp;)<\/li>\n\n\n\n<li>\u8ad6\u7406\u548c (|| \uff09<\/li>\n\n\n\n<li>\u6761\u4ef6\u6f14\u7b97\u5b50 (?) :\uff09<\/li>\n\n\n\n<li>\u4ee3\u5165\u6f14\u7b97\u5b50 (=, +=, -=, *=, \/=, %=, &lt;&lt;=, &gt;&gt;=, &amp;=, ^=, |=)<\/li>\n<\/ol>\n\n\n\n<p>\u306a\u304a\u3001JavaScript\u306b\u304a\u3051\u308b\u6f14\u7b97\u5b50\u306e\u512a\u5148\u5ea6\u306f\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u540c\u69d8\u3067\u3059\u304c\u3001\u8868\u73fe\u306e\u6b63\u78ba\u3055\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u306f\u5b9f\u969b\u306e\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u62ec\u5f27\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001JavaScript \u306e\u6f14\u7b97\u5b50\u3068\u5f0f\u306f\u3001\u8907\u96d1\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u57fa\u672c\u7684\u306a\u8981\u7d20\u3067\u3059\u3002 \u958b\u767a\u8005\u306f\u3001\u6f14\u7b97\u5b50\u3068\u5f0f\u306e\u4f7f\u7528\u6cd5\u3068\u512a\u5148\u9806\u4f4d\u306b\u7fd2\u719f\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u6761\u4ef6\u6587\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306e\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u306f\u3001\u4e3b\u306b if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3001if&#8230; else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3001\u6b21\u306e\u5834\u5408&#8230; \u305d\u3046\u3067\u306a\u3051\u308c\u3070&#8230; else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068 switch \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>If \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<p>if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u6761\u4ef6\u304c\u771f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u5834\u5408\u306f\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002 if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u69cb\u6587\u5f62\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>if (condition) {\n  \/\/ \u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff0c\u6267\u884c\u8fd9\u91cc\u7684\u4ee3\u7801\u5757\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001condition \u306f\u30c1\u30a7\u30c3\u30af\u3059\u308b\u6761\u4ef6\u3067\u3042\u308a\u3001\u30d6\u30fc\u30eb\u5024\u306b\u5909\u63db\u3067\u304d\u308b\u4efb\u610f\u306e\u5f0f\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u6761\u4ef6\u304c true \u306e\u5834\u5408\u3001if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u7d9a\u304f\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002 condition \u304c false \u306e\u5834\u5408\u3001if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u7d9a\u304f\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5358\u7d14\u306a if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let num = 10;\n\nif (num &gt; 0) {\n  console.log(\"\u8fd9\u4e2a\u6570\u5b57\u662f\u6b63\u6570\u3002\");\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u5909\u6570 num \u306e\u5024\u304c 0 \u3088\u308a\u5927\u304d\u3044\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002 \u5909\u6570 num \u306e\u5024\u306f 10 \u306a\u306e\u3067\u3001if \u6587\u306b\u7d9a\u304f\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306f\u300c\u3053\u306e\u6570\u5024\u306f\u6b63\u3067\u3059\u300d\u3068\u51fa\u529b\u3057\u307e\u3059\u3002 &#8220;<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u3082\u3057\u3002\u3002\u3002 else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<p>\u3082\u3057\u3002\u3002\u3002 else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b else \u30d6\u30ed\u30c3\u30af\u3092\u8ffd\u52a0\u3057\u3066\u3001\u6761\u4ef6\u304c\u6210\u308a\u7acb\u305f\u306a\u3044\u5834\u5408\u306b\u5225\u306e\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 \u3082\u3057\u3002\u3002\u3002 else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>if (condition) {\n  \/\/ \u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff0c\u6267\u884c\u8fd9\u91cc\u7684\u4ee3\u7801\u5757\n} else {\n  \/\/ \u5982\u679c\u6761\u4ef6\u4e3a\u5047\uff0c\u6267\u884c\u8fd9\u91cc\u7684\u4ee3\u7801\u5757\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u304cif\u3092\u4f7f\u7528\u3057\u305f\u30b7\u30e7\u30fc\u3067\u3059&#8230; else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f8b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let num = -10;\n\nif (num &gt; 0) {\n  console.log(\"\u8fd9\u4e2a\u6570\u5b57\u662f\u6b63\u6570\u3002\");\n} else {\n  console.log(\"\u8fd9\u4e2a\u6570\u5b57\u662f\u8d1f\u6570\u3002\");\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u5909\u6570 num \u306e\u5024\u304c 0 \u3088\u308a\u5927\u304d\u3044\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002 \u5909\u6570 num \u306e\u5024\u306f -10 \u3067\u3042\u308b\u305f\u3081\u3001if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u7d9a\u304f\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u306f\u5b9f\u884c\u3055\u308c\u305a\u3001else \u30d6\u30ed\u30c3\u30af\u306b\u30b8\u30e3\u30f3\u30d7\u3057\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002 \u30b3\u30f3\u30bd\u30fc\u30eb\u306f\u300c\u3053\u306e\u6570\u5024\u306f\u8ca0\u3067\u3059\u3002 &#8220;<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u3082\u3057\u3002\u3002\u3002\u305d\u3046\u3067\u306a\u3051\u308c\u3070&#8230;else\u8bed\u53e5<\/li>\n<\/ol>\n\n\n\n<p>\u3082\u3057\u3002\u3002\u3002 \u305d\u3046\u3067\u306a\u3051\u308c\u3070&#8230; else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f if \u306b\u3042\u308a\u307e\u3059\u3002 else\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4e0a\u306b\u3001\u8907\u6570\u306e\u6761\u4ef6\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u3001\u8907\u6570\u306eelseif\u30d6\u30ed\u30c3\u30af\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002 \u3082\u3057\u3002\u3002\u3002 \u305d\u3046\u3067\u306a\u3051\u308c\u3070&#8230; else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>if (condition1) {\n  \/\/ \u5982\u679c\u6761\u4ef61\u4e3a\u771f\uff0c\u6267\u884c\u8fd9\u91cc\u7684\u4ee3\u7801\u5757\n} else if (condition2) {\n  \/\/ \u5982\u679c\u6761\u4ef62\u4e3a\u771f\uff0c\u6267\u884c\u8fd9\u91cc\u7684\u4ee3\u7801\u5757\n} else {\n  \/\/ \u5982\u679c\u6761\u4ef61\u548c\u6761\u4ef62\u90fd\u4e3a\u5047\uff0c\u6267\u884c\u8fd9\u91cc\u7684\u4ee3\u7801\u5757\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u304cif\u3092\u4f7f\u7528\u3057\u305f\u30b7\u30e7\u30fc\u3067\u3059&#8230; \u305d\u3046\u3067\u306a\u3051\u308c\u3070&#8230; else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f8b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let num = 0;\n\nif (num &gt; 0) {\n  console.log(\"\u8fd9\u4e2a\u6570\u5b57\u662f\u6b63\u6570\u3002\");\n} else if (num &lt; 0) {\n  console.log(\"\u8fd9\u4e2a\u6570\u5b57\u662f\u8d1f\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u307e\u3059<\/p>\n\n\n\n<p>\u6570\u3002 &#8220;); } else { console.log(&#8220;\u3053\u306e\u6570\u306f\u30bc\u30ed\u3067\u3059\u3002&#8221;) ); }<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>\n\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cif\u8bed\u53e5\u4f1a\u68c0\u67e5\u53d8\u91cfnum\u7684\u503c\u662f\u5426\u5927\u4e8e0\u3002\u7531\u4e8e\u53d8\u91cfnum\u7684\u503c\u4e3a0\uff0c\u56e0\u6b64if\u8bed\u53e5\u540e\u9762\u7684\u4ee3\u7801\u5757\u4e0d\u4f1a\u88ab\u6267\u884c\uff0c\u800c\u662f\u8df3\u8f6c\u5230\u7b2c\u4e00\u4e2aelse if\u5757\u3002\u7531\u4e8e\u6761\u4ef6num &lt; 0\u4e0d\u6210\u7acb\uff0c\u7a0b\u5e8f\u4f1a\u7ee7\u7eed\u68c0\u67e5\u4e0b\u4e00\u4e2aelse if\u5757\uff0c\u76f4\u5230\u627e\u5230\u4e00\u4e2a\u6761\u4ef6\u6210\u7acb\u7684\u5757\u6216\u8005\u6267\u884c\u5b8c\u6240\u6709\u7684else if\u5757\u3002\u7531\u4e8e\u6700\u540e\u4e00\u4e2aelse\u5757\u7684\u6761\u4ef6\u4e3a\u5426\u5b9a\u6761\u4ef6\uff0c\u56e0\u6b64\u5b83\u7684\u4ee3\u7801\u5757\u603b\u662f\u4f1a\u88ab\u6267\u884c\u3002\u63a7\u5236\u53f0\u5c06\u8f93\u51fa\u201c\u8fd9\u4e2a\u6570\u5b57\u662f\u96f6\u3002\u201d\n\n4. switch\u8bed\u53e5\n\nswitch\u8bed\u53e5\u7528\u4e8e\u68c0\u67e5\u4e00\u4e2a\u8868\u8fbe\u5f0f\u7684\u503c\uff0c\u5e76\u6267\u884c\u4e0e\u4e4b\u5339\u914d\u7684\u4ee3\u7801\u5757\u3002switch\u8bed\u53e5\u7684\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a\n\n<\/code><\/pre>\n\n\n\n<p>\u30b9\u30a4\u30c3\u30c1 (\u5f0f) { \u30b1\u30fc\u30b9\u5024 1: \/\/ \u5f0f\u304c value1 \u306b\u7b49\u3057\u3044\u5834\u5408\u306f\u3001\u3053\u3053\u3067\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 \u30b1\u30fc\u30b9\u50242: \/\/ \u5f0f\u304c\u50242\u306b\u7b49\u3057\u3044\u5834\u5408\u306f\u3001\u3053\u3053\u3067\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059 \u30d6\u30ec\u30fc\u30af; \u30c7\u30d5\u30a9\u30eb\u30c8: \/\/ \u5f0f\u304c\u3069\u306e\u5024\u3068\u3082\u7b49\u3057\u304f\u306a\u3044\u5834\u5408\u306f\u3001\u3053\u3053\u3067\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059 }<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>\n\u5176\u4e2d\uff0cexpression\u662f\u8981\u68c0\u67e5\u7684\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u53ef\u4ee5\u8f6c\u6362\u4e3a\u4e00\u4e2a\u503c\u7684\u8868\u8fbe\u5f0f\u3002case\u540e\u9762\u7684\u503c\u53ef\u4ee5\u662f\u4efb\u4f55\u503c\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u548c\u5e03\u5c14\u503c\u7b49\u3002\u5982\u679cexpression\u7684\u503c\u7b49\u4e8e\u67d0\u4e2acase\u540e\u9762\u7684\u503c\uff0c\u90a3\u4e48\u5bf9\u5e94\u7684\u4ee3\u7801\u5757\u5c31\u4f1a\u88ab\u6267\u884c\u3002\u5982\u679cexpression\u7684\u503c\u4e0d\u7b49\u4e8e\u4efb\u4f55\u4e00\u4e2acase\u540e\u9762\u7684\u503c\uff0c\u90a3\u4e48\u6267\u884cdefault\u5757\u4e2d\u7684\u4ee3\u7801\u3002\n\n\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528switch\u8bed\u53e5\u7684\u793a\u4f8b\uff1a\n\n```javascript\nlet day = 2;\n\nswitch (day) {\n  case 0:\n    console.log(\"\u661f\u671f\u65e5\");\n    break;\n  case 1:\n    console.log(\"\u661f\u671f\u4e00\");\n    break;\n  case 2:\n    console.log(\"\u661f\u671f\u4e8c\");\n    break;\n  case 3:\n    console.log(\"\u661f\u671f\u4e09\");\n    break;\n  case 4:\n    console.log(\"\u661f\u671f\u56db\");\n    break;\n  case 5:\n    console.log(\"\u661f\u671f\u4e94\");\n    break;\n  case 6:\n    console.log(\"\u661f\u671f\u516d\");\n    break;\n  default:\n    console.log(\"\u9519\u8bef\u7684\u65e5\u671f\");\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001switch \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u5909\u6570 day \u306e\u5024\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u305d\u308c\u306b\u4e00\u81f4\u3059\u308b\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 \u5909\u6570 day \u306e\u5024\u306f 2 \u306a\u306e\u3067\u3001switch \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5f8c\u306e 3 \u756a\u76ee\u306e\u30b1\u30fc\u30b9\u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306f &#8220;Tuesday&#8221; \u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>Javascript\u306e\u30eb\u30fc\u30d7\u5236\u5fa1\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306b\u306f\u3001\u30b3\u30fc\u30c9\u306e\u30d6\u30ed\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u30eb\u30fc\u30d7\u5236\u5fa1\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u3044\u304f\u3064\u304b\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u4ee5\u4e0b\u306b\u3001\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30eb\u30fc\u30d7\u5236\u5fa1\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>for \u30eb\u30fc\u30d7<\/li>\n<\/ol>\n\n\n\n<p>for \u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30fc\u30c9\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3067\u304d\u3001\u69cb\u6587\u5f62\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>for (\u521d\u59cb\u5316\u8868\u8fbe\u5f0f; \u6761\u4ef6\u8868\u8fbe\u5f0f; \u66f4\u65b0\u8868\u8fbe\u5f0f) {\n  \/\/ \u5f85\u6267\u884c\u7684\u4ee3\u7801\u5757\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u306f\u30eb\u30fc\u30d7\u304c\u59cb\u307e\u308b\u524d\u306b\u4e00\u5ea6\u5b9f\u884c\u3055\u308c\u3001\u30eb\u30fc\u30d7\u30ab\u30a6\u30f3\u30bf\u306a\u3069\u306e\u5909\u6570\u3092\u521d\u671f\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u5404\u30eb\u30fc\u30d7\u306e\u524d\u306b\u6761\u4ef6\u5f0f\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u3001\u6761\u4ef6\u5f0f\u306e\u5024\u304ctrue\u306e\u5834\u5408\u306b\u306e\u307f\u5b9f\u884c\u3055\u308c\u308b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002 \u66f4\u65b0\u5f0f\u306f\u3001\u5404\u30eb\u30fc\u30d7\u306e\u6700\u5f8c\u306b\u4e00\u5ea6\u5b9f\u884c\u3055\u308c\u3001\u30eb\u30fc\u30d7 \u30ab\u30a6\u30f3\u30bf\u30fc\u306a\u3069\u306e\u5909\u6570\u306e\u5024\u3092\u66f4\u65b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u30011\u304b\u308910\u307e\u3067\u306e\u6574\u6570\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3059\u308bfor\u30eb\u30fc\u30d7\u306e\u4f7f\u7528\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let sum = 0;\n\nfor (let i = 1; i &lt;= 10; i++) {\n  sum += i;\n}\n\nconsole.log(sum); \/\/ \u8f93\u51fa55\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001for \u30eb\u30fc\u30d7\u306f 1 \u304b\u3089\u59cb\u307e\u308a\u3001i \u306e\u5024\u304c 1 \u3088\u308a\u5927\u304d\u304f\u306a\u308b\u307e\u3067\u3001\u5909\u6570 i \u306e\u5024\u3092\u6bce\u56de 10 \u305a\u3064\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3057\u307e\u3059\u3002 \u5404\u30eb\u30fc\u30d7\u3067\u3001\u5b9f\u884c\u3055\u308c\u308b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u306f\u3001\u5909\u6570i\u306e\u5024\u3092\u5909\u6570sum\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002 \u6700\u5f8c\u306b\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306f\u5909\u6570 sum \u306e\u5024\u3092 55 \u306b\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>While\u30eb\u30fc\u30d7<\/li>\n<\/ol>\n\n\n\n<p>while \u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6761\u4ef6\u5f0f\u306e\u5024\u304c true \u3067\u3042\u308b\u9650\u308a\u3001\u30b3\u30fc\u30c9\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002 \u69cb\u6587\u306e\u5f62\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>while (\u6761\u4ef6\u8868\u8fbe\u5f0f) {\n  \/\/ \u5f85\u6267\u884c\u7684\u4ee3\u7801\u5757\n}\n<\/code><\/pre>\n\n\n\n<p>\u5404\u30eb\u30fc\u30d7\u306e\u524d\u306b\u3001\u6761\u4ef6\u5f0f\u304c\u518d\u8a55\u4fa1\u3055\u308c\u3001\u6761\u4ef6\u5f0f\u306e\u5024\u304c true \u306e\u5834\u5408\u306b\u306e\u307f\u3001\u5b9f\u884c\u3055\u308c\u308b\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002 \u6761\u4ef6\u5f0f\u306e\u5024\u304c\u6700\u521d\u306bfalse\u306e\u5834\u5408\u3001\u30eb\u30fc\u30d7\u5185\u306e\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u306f\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>1 \u304b\u3089 10 \u307e\u3067\u306e\u6574\u6570\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3059\u308b while \u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u305f\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let sum = 0;\nlet i = 1;\n\nwhile (i &lt;= 10) {\n  sum += i;\n  i++;\n}\n\nconsole.log(sum); \/\/ \u8f93\u51fa55\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001while \u30eb\u30fc\u30d7\u306f 1 \u304b\u3089\u958b\u59cb\u3057\u3001i \u306e\u5024\u304c 1 \u3088\u308a\u5927\u304d\u304f\u306a\u308b\u307e\u3067\u3001\u5909\u6570 i \u306e\u5024\u3092\u6bce\u56de 10 \u305a\u3064\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3057\u307e\u3059\u3002 \u5404\u30eb\u30fc\u30d7\u3067\u3001\u5b9f\u884c\u3055\u308c\u308b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u306f\u3001\u5909\u6570i\u306e\u5024\u3092\u5909\u6570sum\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002 \u6700\u5f8c\u306b\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306f\u5909\u6570 sum \u306e\u5024\u3092 55 \u306b\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5b9f\u884c\u4e2d\u30eb\u30fc\u30d7<\/li>\n<\/ol>\n\n\n\n<p>do-while \u30eb\u30fc\u30d7\u306f while \u30eb\u30fc\u30d7\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u6761\u4ef6\u5f0f\u306f\u3001\u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u3067\u306f\u306a\u304f\u3001\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u305f\u5f8c\u306b\u30c1\u30a7\u30c3\u30af\u3055\u308c\u307e\u3059\u3002 \u69cb\u6587\u306e\u5f62\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>do {\n  \/\/ \u5f85\u6267\u884c\u7684\u4ee3\u7801\u5757\n} while (\u6761\u4ef6\u8868\u8fbe\u5f0f);\n<\/code><\/pre>\n\n\n\n<p>\u5404\u30eb\u30fc\u30d7\u306e\u6700\u5f8c\u306b\u3001\u6761\u4ef6\u5f0f\u306e\u5024\u304c\u6307\u5b9a\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u3001\u6761\u4ef6\u5f0f\u304c\u518d\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u547c\u3073\u51fa\u3057\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u95a2\u6570\u306f\u3001\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u5024\u3092\u8fd4\u3059\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3067\u3059\u3002 \u95a2\u6570\u306f\u3001\u95a2\u6570\u540d\u3001\u5f15\u6570\u306e\u30ea\u30b9\u30c8\u3001\u304a\u3088\u3073\u95a2\u6570\u672c\u4f53\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002 \u5358\u7d14\u306a JavaScript \u95a2\u6570\u5b9a\u7fa9\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function greet(name) {\n  console.log(\"Hello, \" + name + \"!\");\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u306e\u540d\u524d\u306f greet\u3001\u5f15\u6570\u30ea\u30b9\u30c8\u306b\u306f name \u3068\u3044\u3046\u540d\u524d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u542b\u307e\u308c\u3001\u95a2\u6570\u672c\u4f53\u306b\u306f\u30a6\u30a7\u30eb\u30ab\u30e0 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u306b\u306f\u3001\u95a2\u6570\u540d\u3068\u9069\u5207\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u4e0a\u8a18\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>greet(\"Alice\");\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001greet \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u6587\u5b57\u5217 &#8220;Alice&#8221; \u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u6e21\u3057\u307e\u3059\u3002 \u95a2\u6570\u306f\u3001\u95a2\u6570\u306b\u6e21\u3057\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u5024\u3092\u542b\u3080\u30a6\u30a7\u30eb\u30ab\u30e0 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u95a2\u6570\u306f\u5024\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u95a2\u6570\u304b\u3089\u5024\u3092\u8fd4\u3059\u306b\u306f\u3001return \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 2 \u3064\u306e\u6570\u5024\u306e\u5408\u8a08\u3092\u8fd4\u3059\u95a2\u6570\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function add(a, b) {\n  return a + b;\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u306e\u540d\u524d\u306f add \u3067\u3001\u5f15\u6570\u30ea\u30b9\u30c8\u306b\u306f a \u3068 b \u3068\u3044\u3046\u540d\u524d\u306e 2 \u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u542b\u307e\u308c\u3001\u95a2\u6570\u672c\u4f53\u306b\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc a \u3068 b \u306e\u5408\u8a08\u3092\u8fd4\u3059 return \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u30662\u3064\u306e\u6570\u5024\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u6b21\u306e\u3088\u3046\u306b\u5f15\u6570\u3068\u3057\u3066\u8ffd\u52a0\u3059\u308b2\u3064\u306e\u6570\u5024\u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let result = add(3, 5);\nconsole.log(result); \/\/ \u8f93\u51fa8\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001add \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u5f15\u6570\u3068\u3057\u3066\u6570\u5024 3 \u3068 5 \u3092\u6e21\u3057\u307e\u3059\u3002 \u3053\u306e\u95a2\u6570\u306f 8 \u3092\u8fd4\u3057\u3001\u5909\u6570 result \u306b\u683c\u7d0d\u3055\u308c\u3066\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u95a2\u6570\u306f\u3001\u533f\u540d\u95a2\u6570\u3068\u95a2\u6570\u5f0f\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 \u95a2\u6570\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let greet = function(name) {\n  console.log(\"Hello, \" + name + \"!\");\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u95a2\u6570\u3092\u5909\u6570 greet \u306b\u5272\u308a\u5f53\u3066\u307e\u3059\u3002 \u6b21\u306b\u3001\u6b21\u306e\u3088\u3046\u306b\u3001\u901a\u5e38\u306e\u95a2\u6570\u306e\u3088\u3046\u306b greet \u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>greet(\"Alice\");\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u6642\u70b9\u3067\u3001\u95a2\u6570\u306f\u3001\u95a2\u6570\u306b\u6e21\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u5024\u3092\u542b\u3080\u30a6\u30a7\u30eb\u30ab\u30e0 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u95a2\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3084\u623b\u308a\u5024\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u95a2\u6570\u306f\u30010 \u500b\u4ee5\u4e0a\u306e\u5f15\u6570\u3092\u542b\u3080\u4efb\u610f\u306e\u6570\u306e\u5f15\u6570\u3092\u53d7\u3051\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u95a2\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u95a2\u6570\u5b9a\u7fa9\u6642\u306b\u5ba3\u8a00\u3055\u308c\u3001\u95a2\u6570\u547c\u3073\u51fa\u3057\u304b\u3089\u6e21\u3055\u308c\u305f\u5024\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u8907\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d7\u3051\u53d6\u308b\u95a2\u6570\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function add(a, b) {\n  return a + b;\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570 add \u306f a \u3068 b \u306e 2 \u3064\u306e\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308a\u30012 \u3064\u306e\u6570\u5024\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\u3001return \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u95a2\u6570\u306f\u5024\u3092\u8fd4\u3059\u3053\u3068\u3082\u3001\u4f55\u3082\u8fd4\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002 \u95a2\u6570\u304c\u5024\u3092\u8fd4\u3055\u306a\u3044\u5834\u5408\u3001\u305d\u306e\u623b\u308a\u5024\u306f\u672a\u5b9a\u7fa9\u3067\u3059\u3002 \u6587\u5b57\u5217\u3092\u8fd4\u3059\u95a2\u6570\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function greet(name) {\n  return \"Hello, \" + name + \"!\";\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570 greet \u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u540d\u3092\u53d7\u3051\u5165\u308c\u3001\u30a6\u30a7\u30eb\u30ab\u30e0 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u542b\u3080\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u6570\u306e\u623b\u308a\u5024\u306f\u3001\u5909\u6570\u307e\u305f\u306f\u51fa\u529b\u306b\u76f4\u63a5\u4ee3\u5165\u3067\u304d\u307e\u3059\u3002 \u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let result = add(3, 5);\nconsole.log(result);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570 add \u306f 8 \u3092\u8fd4\u3057\u3001\u5909\u6570 result \u306b\u683c\u7d0d\u3055\u308c\u3066\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u6570\u306b\u623b\u308a\u5024\u304c\u306a\u3044\u5834\u5408\u3001\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u3068\u304d\u306b\u5024\u306f\u8fd4\u3055\u308c\u307e\u305b\u3093\u3002 \u623b\u308a\u5024\u306e\u306a\u3044\u95a2\u6570\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function greet(name) {\n  console.log(\"Hello, \" + name + \"!\");\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570 greet \u306f\u30a6\u30a7\u30eb\u30ab\u30e0 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u307e\u3059\u304c\u3001\u5024\u306f\u8fd4\u3057\u307e\u305b\u3093\u3002 \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u623b\u308a\u5024\u3092\u5909\u6570\u306b\u5272\u308a\u5f53\u3066\u308b\u3068\u3001\u305d\u306e\u5909\u6570\u306e\u5024\u306f\u672a\u5b9a\u7fa9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let result = greet(\"Alice\");\nconsole.log(result); \/\/ \u8f93\u51faundefined\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001greet \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u6587\u5b57\u5217 &#8220;Alice&#8221; \u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u6e21\u3057\u307e\u3059\u3002 \u3053\u306e\u95a2\u6570\u306f\u30a6\u30a7\u30eb\u30ab\u30e0 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u307e\u3059\u304c\u3001\u5024\u306f\u8fd4\u3057\u307e\u305b\u3093\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u5909\u6570 result \u306e\u5024\u306f\u672a\u5b9a\u7fa9\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u30af\u30ed\u30fc\u30b8\u30e3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306e\u30b9\u30b3\u30fc\u30d7\u3068\u306f\u3001\u30b3\u30fc\u30c9\u5185\u3067\u5909\u6570\u304c\u8868\u793a\u3055\u308c\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30b9\u30b3\u30fc\u30d7\u3092\u6307\u3057\u307e\u3059\u3002 JavaScript \u3067\u306f\u3001\u30b9\u30b3\u30fc\u30d7\u306b\u306f\u30b0\u30ed\u30fc\u30d0\u30eb \u30b9\u30b3\u30fc\u30d7\u3068\u30ed\u30fc\u30ab\u30eb \u30b9\u30b3\u30fc\u30d7\u304c\u3042\u308a\u307e\u3059\u3002 \u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u3068\u306f\u3001JavaScript \u30d7\u30ed\u30b0\u30e9\u30e0\u5168\u4f53\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5909\u6570\u3068\u95a2\u6570\u3092\u6307\u3057\u3001\u30ed\u30fc\u30ab\u30eb\u30b9\u30b3\u30fc\u30d7\u306f\u95a2\u6570\u5185\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u5909\u6570\u3068\u95a2\u6570\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u6570\u5185\u3067\u5909\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\u3001\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u306f\u95a2\u6570\u5185\u306b\u3042\u308a\u307e\u3059\u3002 \u5909\u6570\u304c\u95a2\u6570\u306e\u5916\u90e8\u3067\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001ReferenceError \u30a8\u30e9\u30fc\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002 \u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function greet() {\n  let message = \"Hello\";\n  console.log(message);\n}\n\ngreet();\nconsole.log(message); \/\/ \u629b\u51faReferenceError\u9519\u8bef\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u5909\u6570 message \u304c\u95a2\u6570 greet \u5185\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u95a2\u6570\u5185\u3067\u306e\u307f\u8868\u793a\u3055\u308c\u307e\u3059\u3002 \u95a2\u6570\u306e\u5916\u90e8\u3067\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001ReferenceError \u30a8\u30e9\u30fc\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30af\u30ed\u30fc\u30b8\u30e3\u3068\u306f\u3001\u95a2\u6570\u304c\u95a2\u6570\u306e\u5916\u90e8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5834\u5408\u3067\u3059\u3002 \u3053\u308c\u306f\u3001JavaScript \u304c\u5b57\u53e5\u30b9\u30b3\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u95a2\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u3068\u304d\u306b\u30b9\u30b3\u30fc\u30d7\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u305f\u3081\u3067\u3059\u3002 \u30af\u30ed\u30fc\u30b8\u30e3\u306e\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function createCounter() {\n  let count = 0;\n  return function() {\n    count++;\n    console.log(count);\n  };\n}\n\nlet counter = createCounter();\ncounter(); \/\/ \u8f93\u51fa1\ncounter(); \/\/ \u8f93\u51fa2\ncounter(); \/\/ \u8f93\u51fa3\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570 createCounter \u306f\u3001\u5909\u6570\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u95a2\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u30ab\u30a6\u30f3\u30bf\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u5909\u6570 count \u306e\u5024\u304c\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u3001\u65b0\u3057\u3044\u5024\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u95a2\u6570\u306e\u5916\u90e8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u305f\u3081\u3001\u6b21\u306e\u3088\u3046\u306a\u591a\u304f\u306e\u4fbf\u5229\u306a\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30c7\u30fc\u30bf\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b<\/li>\n\n\n\n<li>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30e1\u30f3\u30d0\u30fc\u5909\u6570\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b<\/li>\n\n\n\n<li>\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u4f5c\u6210\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u6b20\u70b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af: \u30af\u30ed\u30fc\u30b8\u30e3\u5185\u306e\u95a2\u6570\u304c\u5916\u90e8\u95a2\u6570\u306e\u5909\u6570\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u304c\u53c2\u7167\u3055\u308c\u306a\u304f\u306a\u308b\u307e\u3067\u3001\u5916\u90e8\u95a2\u6570\u306e\u5909\u6570\u306f\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30bf\u306b\u3088\u3063\u3066\u53ce\u96c6\u3055\u308c\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c: \u30af\u30ed\u30fc\u30b8\u30e3\u5185\u306e\u95a2\u6570\u306f\u5916\u90e8\u95a2\u6570\u306e\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u305f\u3081\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u4f5c\u6210\u3068\u547c\u3073\u51fa\u3057\u306f\u901a\u5e38\u306e\u95a2\u6570\u3088\u308a\u3082\u9045\u304f\u306a\u308a\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u683c\u7d0d\u3059\u308b\u8907\u5408\u30c7\u30fc\u30bf\u578b\u3067\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u5909\u6570\u3067\u3042\u308a\u3001\u30e1\u30bd\u30c3\u30c9\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u95a2\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30ea\u30c6\u30e9\u30eb\u307e\u305f\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002 \u30ea\u30c6\u30e9\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let person = {\n  name: \"John\",\n  age: 30,\n  sayHello: function() {\n    console.log(\"Hello, my name is \" + this.name);\n  }\n};\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001name\u3001age\u3001sayHello \u3068\u3044\u3046 3 \u3064\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064 person \u3068\u3044\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u5c5e\u6027\u306e\u540d\u524d\u3068\u5e74\u9f62\u306f\u57fa\u672c\u578b(\u6587\u5b57\u5217\u3068\u6570\u5024)\u306e\u5024\u3067\u3059\u304c\u3001\u5c5e\u6027sayHello\u306f\u95a2\u6570\u3067\u3059\u3002 \u95a2\u6570 sayHello \u306b\u306f\u3001\u4eba\u7269\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c9\u30c3\u30c8 (.) \u307e\u305f\u306f\u89d2\u62ec\u5f27 ([]) \u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>console.log(person.name); \/\/ \u8f93\u51faJohn\nconsole.log(person[\"age\"]); \/\/ \u8f93\u51fa30\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30c9\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u89d2\u62ec\u5f27\u3092\u4f7f\u7528\u3057\u3066\u5c5e\u6027 age \u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u62e1\u5f35\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u62e1\u5f35\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>person.email = \"john@example.com\";\nperson.sayGoodbye = function() {\n  console.log(\"Goodbye, see you later!\");\n};\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001email \u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u3068 sayGoodbye \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6587\u5b57\u901a\u308a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u304a\u3088\u3073\u521d\u671f\u5316\u3059\u308b\u305f\u3081\u306e\u7279\u5225\u306a\u95a2\u6570\u3067\u3059\u3002 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function Person(name, age) {\n  this.name = name;\n  this.age = age;\n  this.sayHello = function() {\n    console.log(\"Hello, my name is \" + this.name);\n  };\n}\n\nlet person1 = new Person(\"John\", 30);\nlet person2 = new Person(\"Jane\", 25);\n\nconsole.log(person1.name); \/\/ \u8f93\u51faJohn\nconsole.log(person2.age); \/\/ \u8f93\u51fa25\nperson1.sayHello(); \/\/ \u8f93\u51faHello, my name is John\nperson2.sayHello(); \/\/ \u8f93\u51faHello, my name is Jane\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001name \u3068 age \u306e 1 \u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6301\u3064 Person \u3068\u3044\u3046\u540d\u524d\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001name \u30d7\u30ed\u30d1\u30c6\u30a3\u3068 age \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u6e21\u3055\u308c\u308b\u5024\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u3001sayHello \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3082\u5b9a\u7fa9\u3057\u307e\u3059\u3002 new \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u547c\u3073\u51fa\u3057\u3001\u65b0\u3057\u3044 Person \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u4eba\u7269 2 \u3068\u4eba\u7269 &lt;&gt; \u306e &lt;&gt; \u3064\u306e\u4eba\u7269\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 \u6b21\u306b\u3001\u3053\u308c\u3089\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u30c9\u30c3\u30c8\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306fJavaScript\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u578b\u3067\u3042\u308a\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u683c\u7d0d\u304a\u3088\u3073\u7de8\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001JavaScript \u306e\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u62e1\u5f35\u3057\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u4f5c\u6210\u3057\u3001\u30c7\u30fc\u30bf\u3068\u6a5f\u80fd\u3092\u307e\u3068\u3081\u3066\u6574\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u5909\u6570\u3067\u3042\u308a\u3001\u30e1\u30bd\u30c3\u30c9\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u95a2\u6570\u3067\u3059\u3002 JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u683c\u7d0d\u3055\u308c\u308b\u5909\u6570\u3067\u3059\u3002 \u5404\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u306f\u3001\u540d\u524d (\u30ad\u30fc\u307e\u305f\u306f\u8b58\u5225\u5b50\u3068\u3082\u547c\u3070\u308c\u307e\u3059) \u3068\u5bfe\u5fdc\u3059\u308b\u5024\u304c\u3042\u308a\u307e\u3059\u3002 JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u304c 2 \u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c9\u30c3\u30c8 (.) \u6587\u5b57: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001obj.propertyName \u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u89d2\u304b\u3063\u3053 ([]): \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001obj[&#8220;\u30d7\u30ed\u30d1\u30c6\u30a3\u540d&#8221;] \u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30c9\u30c3\u30c8\u8a18\u53f7\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let person = {\n  name: \"John\",\n  age: 30,\n  address: {\n    street: \"123 Main St\",\n    city: \"Anytown\",\n    state: \"CA\"\n  }\n};\n\nconsole.log(person.name); \/\/ \u8f93\u51faJohn\nconsole.log(person.age); \/\/ \u8f93\u51fa30\nconsole.log(person.address.street); \/\/ \u8f93\u51fa123 Main St\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u540d\u524d\u3001\u5e74\u9f62\u3001\u4f4f\u6240\u306e 3 \u3064\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064 person \u3068\u3044\u3046\u540d\u524d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u5c5e\u6027 name \u3068 age \u306f\u57fa\u672c\u578b (\u6587\u5b57\u5217\u3068\u6570\u5024) \u306e\u5024\u3067\u3059\u304c\u3001\u30d7\u30ed\u30d1\u30c6\u30a3 \u30a2\u30c9\u30ec\u30b9\u306f\u5165\u308c\u5b50\u306b\u306a\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u30c9\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3068\u5e74\u9f62\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u30c9\u30c3\u30c8\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u4f7f\u7528\u3057\u3066\u4f4f\u6240\u901a\u308a\u306e\u5c5e\u6027\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u89d2\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let person = {\n  name: \"John\",\n  age: 30,\n  address: {\n    street: \"123 Main St\",\n    city: \"Anytown\",\n    state: \"CA\"\n  }\n};\n\nconsole.log(person[\"name\"]); \/\/ \u8f93\u51faJohn\nconsole.log(person[\"age\"]); \/\/ \u8f93\u51fa30\nconsole.log(person[\"address\"][\"street\"]); \/\/ \u8f93\u51fa123 Main St\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30c9\u30c3\u30c8\u6587\u5b57\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306e\u3068\u540c\u3058\u65b9\u6cd5\u3067\u3001\u89d2\u62ec\u5f27\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e1\u30bd\u30c3\u30c9<\/h3>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u683c\u7d0d\u3055\u308c\u308b\u95a2\u6570\u3067\u3059\u3002 \u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u3068\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u304d\u3001JavaScript \u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30e1\u30bd\u30c3\u30c9\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u95a2\u6570\u5185\u306e this \u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let person = {\n  name: \"John\",\n  age: 30,\n  sayHello: function() {\n    console.log(\"Hello, my name is \" + this.name);\n  }\n};\n\nperson.sayHello(); \/\/ \u8f93\u51faHello, my name is John\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001name\u3001age\u3001sayHello \u3068\u3044\u3046 3 \u3064\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064 person \u3068\u3044\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u5c5e\u6027\u306e\u540d\u524d\u3068\u5e74\u9f62\u306f\u57fa\u672c\u578b\u306e\u5024\u3067\u3059\u304c\u3001\u30d7\u30ed\u30d1\u30c6\u30a3 sayHello \u306f\u95a2\u6570\u3067\u3059\u3002 \u95a2\u6570 sayHello \u306b\u306f\u3001\u4eba\u7269\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 sayHello \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u3001JavaScript \u306f\u30e1\u30bd\u30c3\u30c9\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3068\u3057\u3066\u4eba\u7269\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001\u95a2\u6570\u5185\u306e this \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306fJavaScript\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u7c21\u5358\u306b\u4fdd\u5b58\u304a\u3088\u3073\u6574\u7406\u3057\u3001JavaScript\u306e\u6a5f\u80fd\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30c1\u30a7\u30fc\u30f3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3068\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30c1\u30a7\u30fc\u30f3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u3042\u308a\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306e\u985e\u4f3c\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30c1\u30a7\u30fc\u30f3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u7d99\u627f\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u3059\u3079\u3066\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u304c\u3042\u308a\u3001\u3053\u308c\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u5404\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e prototype \u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u6307\u3059\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u72ec\u81ea\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\u3067\u76ee\u7684\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\u3092\u898b\u3064\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8abf\u3079\u3066\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u7d99\u627f\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3068\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30c1\u30a7\u30fc\u30f3\u306e\u4f7f\u7528\u3092\u793a\u3059\u7c21\u5358\u306a\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61\u6784\u9020\u51fd\u6570\nfunction Person(name, age) {\n  this.name = name;\n  this.age = age;\n}\n\n\/\/ \u7ed9 Person \u5bf9\u8c61\u6dfb\u52a0\u4e00\u4e2a\u65b9\u6cd5\nPerson.prototype.sayHello = function() {\n  console.log(\"Hello, my name is \" + this.name + \" and I'm \" + this.age + \" years old.\");\n}\n\n\/\/ \u521b\u5efa\u4e00\u4e2a Person \u5bf9\u8c61\u5b9e\u4f8b\nvar person1 = new Person(\"Alice\", 20);\n\n\/\/ \u8c03\u7528 Person \u5bf9\u8c61\u5b9e\u4f8b\u7684\u65b9\u6cd5\nperson1.sayHello(); \/\/ \u8f93\u51fa\uff1aHello, my name is Alice and I'm 20 years old.\n\n\/\/ \u521b\u5efa\u4e00\u4e2a Person \u5bf9\u8c61\u5b9e\u4f8b\nvar person2 = new Person(\"Bob\", 25);\n\n\/\/ \u8c03\u7528 Person \u5bf9\u8c61\u5b9e\u4f8b\u7684\u65b9\u6cd5\nperson2.sayHello(); \/\/ \u8f93\u51fa\uff1aHello, my name is Bob and I'm 25 years old.\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u30012 \u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068 . \u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u306f\u30012 \u3064\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068 \u3092\u5b9a\u7fa9\u3057\u3001\u305d\u308c\u3089\u306e\u5024\u3092\u305d\u308c\u305e\u308c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u6e21\u3055\u308c\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 \u6b21\u306b\u3001\u4eba\u306e\u540d\u524d\u3068\u5e74\u9f62\u3092\u51fa\u529b\u3059\u308b\u3001\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<code>Person<\/code><code>name<\/code><code>age<\/code><code>Person<\/code><code>name<\/code><code>age<\/code><code>name<\/code><code>age<\/code><code>Person.prototype<\/code><code>sayHello<\/code><\/p>\n\n\n\n<p>\u6b21\u306b\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066 2 \u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3001\u540d\u524d\u3068\u5e74\u9f62\u3092\u305d\u308c\u305e\u308c \u3068 \u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002 \u6b21\u306b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3001\u540d\u524d\u3068\u5e74\u9f62\u3092\u51fa\u529b\u3057\u307e\u3057\u305f\u3002<code>new<\/code><code>Person<\/code><code>person1<\/code><code>person2<\/code><code>Alice<\/code><code>20<\/code><code>Bob<\/code><code>25<\/code><code>person1<\/code><code>person2<\/code><code>sayHello<\/code><\/p>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4e21\u65b9\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3057\u307e\u3059\u3002 \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\u306f\u5171\u6709\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u305f\u3081\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u3053\u3053\u3067\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30c1\u30a7\u30fc\u30f3\u304c\u767b\u5834\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u7d99\u627f\u306e\u305f\u3081\u306b\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u898b\u3064\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<code>person1<\/code><code>person2<\/code><code>Person<\/code><code>Person.prototype<\/code><code>sayHello<\/code><code>Person<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7d99\u627f\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7d99\u627f\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u5171\u6709\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3059\u308b\u5834\u5408\u3001\u7d99\u627f\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u89aa\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u307e\u305f\u306f\u30b9\u30fc\u30d1\u30fc\u30af\u30e9\u30b9\u3068\u547c\u3070\u308c\u3001\u305d\u308c\u3089\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u5b50\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u307e\u305f\u306f\u30b5\u30d6\u30af\u30e9\u30b9\u3068\u547c\u3070\u308c\u307e\u3059\u3002 JavaScript \u3067\u306f\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u7d99\u627f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u7d99\u627f\u3001\u8907\u5408\u7d99\u627f\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7d99\u627f\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306e\u7d99\u627f<\/li>\n<\/ol>\n\n\n\n<p>\u30a2\u30fc\u30ad\u30bf\u30a4\u30d7\u306e\u7d99\u627f\u306f\u3001JavaScript \u306b\u304a\u3051\u308b\u6700\u3082\u57fa\u672c\u7684\u306a\u7d99\u627f\u5f62\u5f0f\u3067\u3059\u3002 \u5404 JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u305d\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3078\u306e\u5185\u90e8\u30dd\u30a4\u30f3\u30bf\u30fc\u304c\u3042\u308a\u307e\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30d7\u30ed\u30d1\u30c6\u30a3\u307e\u305f\u306f\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u307e\u305a\u72ec\u81ea\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u691c\u7d22\u3057\u3001\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3044\u5834\u5408\u306f\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002 \u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u72ec\u81ea\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3082\u3042\u308a\u3001\u4efb\u610f\u306e\u30ec\u30d9\u30eb\u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u5171\u6709\u3067\u304d\u308b\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30c1\u30a7\u30fc\u30f3\u3092\u5f62\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u8a2d\u5b9a\u3057\u3066\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306e\u7d99\u627f\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<code>Object.create()<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u7236\u5bf9\u8c61\nconst person = {\n  name: 'John',\n  age: 30,\n  greet() {\n    console.log(`Hello, my name is ${this.name} and I am ${this.age} years old.`);\n  }\n};\n\n\/\/ \u5b50\u5bf9\u8c61\nconst student = Object.create(person);\nstudent.name = 'Alice';\nstudent.grade = 'A';\n\nstudent.greet(); \/\/ Hello, my name is Alice and I am 30 years old.\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u7d99\u627f<\/li>\n<\/ol>\n\n\n\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u7d99\u627f\u306f\u3001\u89aa\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u5b50\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u89aa\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u304b\u3089\u7d99\u627f\u3055\u308c\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u305d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u304c\u7d99\u627f\u3055\u308c\u307e\u3059\u3002 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u306f\u3001\u89aa\u30af\u30e9\u30b9\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u5b50\u30af\u30e9\u30b9 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30dd\u30a4\u30f3\u30c8\u3059\u308b\u30e1\u30bd\u30c3\u30c9 or \u3092\u4f7f\u7528\u3057\u3066\u3001\u5b50\u30af\u30e9\u30b9 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<code>call()<\/code><code>apply()<\/code><code>this<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u7236\u7c7b\u6784\u9020\u51fd\u6570\nfunction Person(name, age) {\n  this.name = name;\n  this.age = age;\n}\n\nPerson.prototype.greet = function() {\n  console.log(`Hello, my name is ${this.name} and I am ${this.age} years old.`);\n}\n\n\/\/ \u5b50\u7c7b\u6784\u9020\u51fd\u6570\nfunction Student(name, age, grade) {\n  Person.call(this, name, age);\n  this.grade = grade;\n}\n\nconst student = new Student('Alice', 20, 'A');\nstudent.greet(); \/\/ Hello, my name is Alice and I am 20 years old.\n<\/code><\/pre>\n\n\n\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u7d99\u627f\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u89aa\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u306f\u5b50\u30af\u30e9\u30b9\u306b\u7d99\u627f\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u5b50\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u518d\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u7d50\u5408\u3055\u308c\u305f\u7d99\u627f<\/li>\n<\/ol>\n\n\n\n<p>\u8907\u5408\u7d99\u627f\u306f\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u7d99\u627f\u3068\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u7d99\u627f\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u6700\u3082\u4e00\u822c\u7684\u306a\u7d99\u627f\u5f62\u5f0f\u3067\u3059\u3002 \u8907\u5408\u7d99\u627f\u3067\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u7d99\u627f\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u7d99\u627f\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u7d99\u627f\u306f\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u7d99\u627f\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u88c5\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u7236\u7c7b\u6784\u9020\u51fd\u6570\nfunction Person(name, age) {\n  this.name = name;\n  this.age =\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u914d\u5217\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306e\u914d\u5217\u306f\u3001\u8907\u6570\u306e\u5024\u3092\u683c\u7d0d\u3059\u308b\u7279\u5225\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u914d\u5217\u5185\u306e\u5404\u5024\u306b\u306f\u3001\u5024\u3078\u306e\u30a2\u30af\u30bb\u30b9\u307e\u305f\u306f\u5909\u66f4\u306b\u4f7f\u7528\u3067\u304d\u308b\u5bfe\u5fdc\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u3042\u308a\u307e\u3059\u3002 JavaScript \u914d\u5217\u306e\u5b9a\u7fa9\u3068\u3001\u305d\u306e\u4f7f\u7528\u65b9\u6cd5\u306e\u8a73\u7d30\u306a\u8aac\u660e\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u5217\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/h2>\n\n\n\n<p>JavaScript \u3067\u914d\u5217\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001or \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u914d\u5217\u3092\u5b9a\u7fa9\u3059\u308b 2 \u3064\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<code>[]<\/code><code>Array<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u4f7f\u7528 [] \u5b9a\u4e49\u6570\u7ec4\nlet arr1 = [1, 2, 3];\n\n\/\/ \u4f7f\u7528 Array \u6784\u9020\u51fd\u6570\u5b9a\u4e49\u6570\u7ec4\nlet arr2 = new Array(4, 5, 6);\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u5217\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/h2>\n\n\n\n<p>\u914d\u5217\u8981\u7d20\u306b\u306f\u3001\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u914d\u5217\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u304b\u3089\u59cb\u307e\u308a\u3001\u9806\u756a\u306b\u5897\u52a0\u3057\u307e\u3059\u3002 \u914d\u5217\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<code>0<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let arr = [1, 2, 3];\n\n\/\/ \u8bbf\u95ee\u7b2c\u4e00\u4e2a\u5143\u7d20\nconsole.log(arr[0]); \/\/ \u8f93\u51fa 1\n\n\/\/ \u8bbf\u95ee\u7b2c\u4e8c\u4e2a\u5143\u7d20\nconsole.log(arr[1]); \/\/ \u8f93\u51fa 2\n\n\/\/ \u8bbf\u95ee\u7b2c\u4e09\u4e2a\u5143\u7d20\nconsole.log(arr[2]); \/\/ \u8f93\u51fa 3\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u5217\u8981\u7d20\u306e\u5909\u66f4<\/h2>\n\n\n\n<p>\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u914d\u5217\u8981\u7d20\u306e\u5024\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 \u914d\u5217\u8981\u7d20\u3092\u5909\u66f4\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let arr = [1, 2, 3];\n\n\/\/ \u4fee\u6539\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\narr[0] = 4;\n\nconsole.log(arr); \/\/ \u8f93\u51fa [4, 2, 3]\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u5217\u306e\u9577\u3055<\/h2>\n\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u3001\u914d\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \u914d\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<code>length<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let arr = [1, 2, 3];\n\nconsole.log(arr.length); \/\/ \u8f93\u51fa 3\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u914d\u5217\u30e1\u30bd\u30c3\u30c9<\/h2>\n\n\n\n<p>JavaScript \u914d\u5217\u306f\u3001\u8ffd\u52a0\u3001\u524a\u9664\u3001\u691c\u7d22\u3001\u4e26\u3079\u66ff\u3048\u306a\u3069\u3001\u914d\u5217\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u591a\u304f\u306e\u4fbf\u5229\u306a\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u914d\u5217\u30e1\u30bd\u30c3\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8981\u7d20\u306e\u8ffd\u52a0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>push(item1, item2, ...)<\/code>: \u914d\u5217\u306e\u672b\u5c3e\u306b 1 \u3064\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3001\u914d\u5217\u306e\u65b0\u3057\u3044\u9577\u3055\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>unshift(item1, item2, ...)<\/code>: \u914d\u5217\u306e\u5148\u982d\u306b 1 \u3064\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3001\u914d\u5217\u306e\u65b0\u3057\u3044\u9577\u3055\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let arr = [1, 2];\n\n\/\/ push \u65b9\u6cd5\u5411\u6570\u7ec4\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20\narr.push(3);\n\nconsole.log(arr); \/\/ \u8f93\u51fa [1, 2, 3]\n\n\/\/ unshift \u65b9\u6cd5\u5411\u6570\u7ec4\u5f00\u5934\u6dfb\u52a0\u5143\u7d20\narr.unshift(0);\n\nconsole.log(arr); \/\/ \u8f93\u51fa [0, 1, 2, 3]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u8981\u7d20\u3092\u524a\u9664\u3059\u308b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>pop()<\/code>: \u914d\u5217\u306e\u672b\u5c3e\u306b\u3042\u308b\u8981\u7d20\u3092\u524a\u9664\u3057\u3001\u524a\u9664\u3055\u308c\u305f\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>shift()<\/code>: \u914d\u5217\u306e\u5148\u982d\u306b\u3042\u308b\u8981\u7d20\u3092\u524a\u9664\u3057\u3001\u524a\u9664\u3055\u308c\u305f\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>splice(index, count, item1, item2, ...)<\/code>: \u6307\u5b9a\u3057\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f4d\u7f6e\u304b\u3089\u6307\u5b9a\u3057\u305f\u6570\u306e\u8981\u7d20\u3092\u524a\u9664\u3057\u3001\u524a\u9664\u3055\u308c\u305f\u4f4d\u7f6e\u306b\u65b0\u3057\u3044\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3066\u3001\u524a\u9664\u3055\u308c\u305f\u8981\u7d20\u306e\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>let arr = [1, 2, 3];\n\n\/\/ pop \u65b9\u6cd5\u5220\u9664\u6570\u7ec4\u672b\u5c3e\u7684\u5143\u7d20\nlet last = arr.pop();\n\nconsole.log(last); \/\/ \u8f93\u51fa 3\nconsole.log(arr); \/\/ \u8f93\u51fa [1, 2]\n\n\/\/ shift \u65b9\u6cd5\u5220\u9664\u6570\u7ec4\u5f00\u5934\u7684\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u307e\u3059<\/p>\n\n\n\n<p>\u914d\u5217\u3092\u64cd\u4f5c\u3059\u308b\u3068\u304d\u306f\u3001\u901a\u5e38\u3001\u914d\u5217\u3092\u53cd\u5fa9\u307e\u305f\u306f\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001JavaScript\u306f\u3053\u308c\u3089\u306e\u64cd\u4f5c\u3092\u7c21\u7d20\u5316\u3059\u308b\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>push(): \u914d\u5217\u306e\u672b\u5c3e\u306b 1 \u3064\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3001\u65b0\u3057\u3044\u914d\u5217\u306e\u9577\u3055\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>pop(): \u914d\u5217\u306e\u6700\u5f8c\u306e\u8981\u7d20\u3092\u524a\u9664\u3057\u3001\u305d\u306e\u8981\u7d20\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>shift(): \u914d\u5217\u306e\u6700\u521d\u306e\u8981\u7d20\u3092\u524a\u9664\u3057\u3001\u305d\u306e\u8981\u7d20\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>unshift(): \u914d\u5217\u306e\u5148\u982d\u306b 1 \u3064\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3001\u65b0\u3057\u3044\u914d\u5217\u306e\u9577\u3055\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>slice(): \u5143\u306e\u914d\u5217\u306e\u6307\u5b9a\u3055\u308c\u305f\u90e8\u5206\u3092\u542b\u3080\u65b0\u3057\u3044\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>splice(): \u914d\u5217\u5185\u306e\u6307\u5b9a\u3055\u308c\u305f\u4f4d\u7f6e\u306b\u3042\u308b\u8981\u7d20\u3092\u524a\u9664\u307e\u305f\u306f\u7f6e\u63db\u3057\u3001\u524a\u9664\u3055\u308c\u305f\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>concat(): 2 \u3064\u4ee5\u4e0a\u306e\u914d\u5217\u3092\u65b0\u3057\u3044\u914d\u5217\u306b\u7d50\u5408\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>indexOf(): \u914d\u5217\u5185\u3067\u6307\u5b9a\u3055\u308c\u305f\u8981\u7d20\u304c\u6700\u521d\u306b\u51fa\u73fe\u3057\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f -1 \u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>forEach(): \u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>map(): \u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3001\u5404\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u7d50\u679c\u3092\u542b\u3080\u65b0\u3057\u3044\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>filter(): \u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u3092\u542b\u3080\u65b0\u3057\u3044\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>reduce(): \u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3001\u7d2f\u7a4d\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u901a\u5e38\u3001\u5143\u306e\u914d\u5217\u3092\u5909\u66f4\u305b\u305a\u3001\u65b0\u3057\u3044\u914d\u5217\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u5024\u3092\u8fd4\u3059\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u5143\u306e\u914d\u5217\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u3084\u4ee3\u5165\u306a\u3069\u3001\u914d\u5217\u306e\u57fa\u672c\u7684\u306a\u64cd\u4f5c\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u540c\u6642\u306b\u3001\u914d\u5217\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>length: \u914d\u5217\u5185\u306e\u8981\u7d20\u306e\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>prototype: \u3059\u3079\u3066\u306e\u914d\u5217\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u914d\u5217\u3092\u64cd\u4f5c\u3059\u308b\u3068\u304d\u306f\u3001\u914d\u5217\u306e\u6dfb\u3048\u5b57\u304c 0 \u3067\u306f\u306a\u304f 1 \u304b\u3089\u59cb\u307e\u308b\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u914d\u5217 arr \u306e\u6700\u521d\u306e\u8981\u7d20\u306f arr[0] \u3067\u306f\u306a\u304f arr[1] \u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u591a\u6b21\u5143\u914d\u5217\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u591a\u6b21\u5143\u914d\u5217\u3068\u306f\u30012 \u6b21\u5143\u30013 \u6b21\u5143\u306a\u3069\u3068\u3082\u547c\u3070\u308c\u308b\u8907\u6570\u306e\u914d\u5217\u3092\u542b\u3080\u914d\u5217\u3092\u6307\u3057\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u30012 \u6b21\u5143\u914d\u5217\u306f\u3001\u5404\u30bb\u30eb\u304c\u914d\u5217\u8981\u7d20\u3067\u3042\u308b\u30c6\u30fc\u30d6\u30eb\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u591a\u6b21\u5143\u914d\u5217\u306f\u3001\u753b\u50cf\u51e6\u7406\u3084\u30b2\u30fc\u30e0\u958b\u767a\u306a\u3069\u306e\u7279\u5b9a\u306e\u72b6\u6cc1\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002 JavaScript \u3067\u306f\u3001\u5165\u308c\u5b50\u306b\u306a\u3063\u305f\u914d\u5217\u3092\u4f7f\u7528\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306b\u591a\u6b21\u5143\u914d\u5217\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">luaCopy code<code>var arr = [[1, 2, 3], [4, 5, 6], [7, 8, 9]];\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u305d\u308c\u305e\u308c3\u3064\u306e\u8981\u7d20\u3092\u542b\u30803\u3064\u306e\u914d\u5217\u3092\u542b\u30803\u00d73\u306e&lt;&gt;\u6b21\u5143\u914d\u5217\u3067\u3059\u3002 \u591a\u6b21\u5143\u914d\u5217\u306e\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001\u5165\u308c\u5b50\u306b\u306a\u3063\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002 \u305f\u3068\u3048\u3070\u3001ARR \u306e &lt;&gt; \u884c\u76ee\u3068 &lt;&gt; \u5217\u76ee\u306e\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u69cb\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>var x = arr[1][2];\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u914d\u5217\u5185\u306e\u6570\u50246\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u4f8b\u3067\u306f\u3001arr[1] \u306f\u914d\u5217\u306e 1 \u884c\u76ee\u3092\u8fd4\u3057\u3001arr[2][&lt;&gt;] \u306f\u914d\u5217\u306e &lt;&gt; \u756a\u76ee\u306e\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u30013 \u6b21\u5143\u914d\u5217\u30014 \u6b21\u5143\u914d\u5217\u306a\u3069\u306e\u9ad8\u6b21\u5143\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u914d\u5217\u3092\u4f5c\u6210\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u306f\u30012\u6b21\u5143\u914d\u5217\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u5165\u308c\u5b50\u306b\u306a\u3063\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u591a\u3044\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u30a4\u30d9\u30f3\u30c8\u306e\u6982\u5ff5\u3068\u30bf\u30a4\u30d7\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306f\u3001\u30de\u30a6\u30b9\u306e\u30af\u30ea\u30c3\u30af\u3001\u30ad\u30fc\u306e\u62bc\u4e0b\u3001\u30a6\u30a3\u30f3\u30c9\u30a6 \u30b5\u30a4\u30ba\u306e\u5909\u66f4\u306a\u3069\u3001\u30e6\u30fc\u30b6\u30fc\u307e\u305f\u306f\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002 \u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b\u3068\u3001JavaScript \u306f\u305d\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u3066\u7279\u5b9a\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002 \u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b JavaScript \u30b3\u30fc\u30c9\u306e\u4e00\u90e8\u3067\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u306f\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4e00\u822c\u7684\u306a\u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30de\u30a6\u30b9\u30a4\u30d9\u30f3\u30c8:\u30af\u30ea\u30c3\u30af\u3001\u79fb\u52d5\u3001\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3001\u53f3\u30af\u30ea\u30c3\u30af\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30ad\u30fc\u30dc\u30fc\u30c9\u30a4\u30d9\u30f3\u30c8:\u30ad\u30fc\u306e\u62bc\u4e0b\u3001\u96e2\u3057\u3001\u5165\u529b\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30e0\u30a4\u30d9\u30f3\u30c8:\u9001\u4fe1\u3001\u30ea\u30bb\u30c3\u30c8\u3001\u9078\u629e\u3001\u5909\u66f4\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30a4\u30d9\u30f3\u30c8:\u8aad\u307f\u8fbc\u307f\u3001\u30a2\u30f3\u30ed\u30fc\u30c9\u3001\u30b5\u30a4\u30ba\u5909\u66f4\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30a4\u30d9\u30f3\u30c8:\u30aa\u30fc\u30c7\u30a3\u30aa\u3068\u30d3\u30c7\u30aa\u306e\u518d\u751f\u3001\u505c\u6b62\u3001\u4e00\u6642\u505c\u6b62\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8: \u30b9\u30ef\u30a4\u30d7\u3001\u30ba\u30fc\u30e0\u306a\u3069\u306e\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u7528\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u3001JavaScript \u306b\u306f\u3044\u304f\u3064\u304b\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u6700\u3082\u4e00\u822c\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u306f addEventListener() \u3067\u3001\u6307\u5b9a\u3057\u305f\u8981\u7d20\u306b\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30dc\u30bf\u30f3\u8981\u7d20\u306e\u30af\u30ea\u30c3\u30af \u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var btn = document.getElementById(\"myButton\");\nbtn.addEventListener(\"click\", function() {\n  alert(\"Button clicked!\");\n});\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u308b\u3068\u3001\u300c\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f!\u300d\u3068\u3044\u3046\u8b66\u544a\u30dc\u30c3\u30af\u30b9\u304c\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u306b\u306f\u3001\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e Internet Explorer \u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b attachEvent() \u3084\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc \u30d7\u30ed\u30d1\u30c6\u30a3\u306a\u3069\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u4ed6\u306e\u30e1\u30bd\u30c3\u30c9\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u4f7f\u7528\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306f JavaScript \u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u5fdc\u7b54\u3057\u3066\u3001\u5bfe\u8a71\u6027\u3068\u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u7279\u5b9a\u306e\u95a2\u6570\u3067\u3042\u308b JavaScript \u30b3\u30fc\u30c9\u306e\u4e00\u90e8\u3067\u3059\u3002 \u30a4\u30d9\u30f3\u30c8\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u3068\u3001\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306f\u3001HTML \u8981\u7d20\u5c5e\u6027\u3067\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3082\u3001JavaScript \u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8981\u7d20\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>HTML \u8981\u7d20\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306f\u6b21\u306e\u65b9\u6cd5\u3067\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">phpCopy code<code>&lt;button onclick=\"myFunction()\"&gt;\u70b9\u51fb\u6211&lt;\/button&gt;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30dc\u30bf\u30f3\u8981\u7d20\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9 &#8220;myFunction()&#8221; \u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u95a2\u6570\u306f\u3001\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u8981\u7d20\u306b\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8ffd\u52a0\u3059\u308b addEventListener() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30dc\u30bf\u30f3\u8981\u7d20\u306e\u30af\u30ea\u30c3\u30af \u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var btn = document.getElementById(\"myButton\");\nbtn.addEventListener(\"click\", function() {\n  alert(\"Button clicked!\");\n});\n<\/code><\/pre>\n\n\n\n<p>\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u300c\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f!\u300d\u3068\u3044\u3046\u8b66\u544a\u30dc\u30c3\u30af\u30b9\u304c\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3067\u306f\u3001this \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u73fe\u5728\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u8981\u7d20\u3092\u53c2\u7167\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30dc\u30bf\u30f3\u3092\u30bf\u30c3\u30d7\u3057\u305f\u3068\u304d\u306b\u30dc\u30bf\u30f3\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var btn = document.getElementById(\"myButton\");\nbtn.addEventListener(\"click\", function() {\n  alert(\"Button text: \" + this.textContent);\n});\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001this \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30dc\u30bf\u30f3\u8981\u7d20\u81ea\u4f53\u3092\u53c2\u7167\u3057\u3001textContent \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u30dc\u30bf\u30f3\u306e\u30c6\u30ad\u30b9\u30c8 \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30ea\u30f3\u30af\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u30ea\u30f3\u30af\u306e\u65e2\u5b9a\u306e\u52d5\u4f5c\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var link = document.getElementById(\"myLink\");\nlink.addEventListener(\"click\", function(event) {\n  event.preventDefault();\n  alert(\"Link clicked!\");\n});\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30d9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30f3\u30af\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u52d5\u4f5c\u3092\u9632\u304e\u3001\u30ea\u30f3\u30af\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u308b\u3068\u300c\u30ea\u30f3\u30af\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f!\u300d\u3068\u3044\u3046\u8b66\u544a\u30dc\u30c3\u30af\u30b9\u304c\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001JavaScript \u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001Web \u30da\u30fc\u30b8\u306e\u5bfe\u8a71\u6027\u3068\u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u30a4\u30d9\u30f3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u305d\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u9023\u3059\u308b\u60c5\u5831\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306b\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u3068\u304d\u306b\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b\u4f5c\u6210\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u901a\u3058\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u30bf\u30a4\u30d7\u3001\u30a4\u30d9\u30f3\u30c8\u30bf\u30fc\u30b2\u30c3\u30c8\u3001\u30de\u30a6\u30b9\u4f4d\u7f6e\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u72b6\u614b\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30a4\u30d9\u30f3\u30c8\u95a2\u9023\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u5185\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306a JavaScript \u30a4\u30d9\u30f3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>type: \u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3092\u8868\u3059\u6587\u5b57\u5217 (&#8220;\u30af\u30ea\u30c3\u30af&#8221;\u3001&#8221;\u30de\u30a6\u30b9\u30c0\u30a6\u30f3&#8221;\u3001&#8221;\u30ad\u30fc\u30c0\u30a6\u30f3&#8221; \u306a\u3069)\u3002<\/li>\n\n\n\n<li>target: \u30a4\u30d9\u30f3\u30c8\u3092\u8868\u3059\u30bf\u30fc\u30b2\u30c3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u3064\u307e\u308a\u30a4\u30d9\u30f3\u30c8\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u8981\u7d20\u3002<\/li>\n\n\n\n<li>currentTarget: \u73fe\u5728\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3057\u3066\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u3064\u307e\u308a\u30a4\u30d9\u30f3\u30c8\u306e\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u8981\u7d20\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>clientX\u3001clientY: \u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306e\u30d6\u30e9\u30a6\u30b6\u30fc \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u306e\u30de\u30a6\u30b9\u4f4d\u7f6e\u306e\u5ea7\u6a19\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>pageX, pageY: \u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u30de\u30a6\u30b9\u306e\u4f4d\u7f6e\u5ea7\u6a19\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30ad\u30fc\u30b3\u30fc\u30c9: \u62bc\u3055\u308c\u305f\u30ad\u30fc\u3092\u8868\u3059\u30ad\u30fc\u30b3\u30fc\u30c9\u3002<\/li>\n\n\n\n<li>altKey, shiftKey, ctrlKey, metaKey: alt\u3001shift\u3001ctrl\u3001meta \u30ad\u30fc\u304c\u62bc\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30d9\u30f3\u30c8\u95a2\u9023\u306e\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>document.addEventListener(\"click\", function(event) {\n  console.log(\"event type: \" + event.type);\n  console.log(\"event target: \" + event.target.tagName);\n  console.log(\"event currentTarget: \" + event.currentTarget.tagName);\n  console.log(\"mouse position: (\" + event.clientX + \",\" + event.clientY + \")\");\n  console.log(\"key code: \" + event.keyCode);\n  console.log(\"alt key pressed: \" + event.altKey);\n  console.log(\"shift key pressed: \" + event.shiftKey);\n  console.log(\"ctrl key pressed: \" + event.ctrlKey);\n  console.log(\"meta key pressed: \" + event.metaKey);\n});\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001addEventListener() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002 \u30e6\u30fc\u30b6\u30fc\u304c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u4efb\u610f\u306e\u5834\u6240\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u30d6\u30e9\u30a6\u30b6\u30fc\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002 \u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u901a\u3058\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u8981\u7d20\u3001\u30de\u30a6\u30b9\u306e\u4f4d\u7f6e\u3001\u30ad\u30fc\u306e\u72b6\u614b\u3001\u305d\u306e\u4ed6\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001JavaScript\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u52b9\u679c\u3068\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript DOM\u306e\u6982\u5ff5\u3068\u69cb\u9020\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001DOM (Document Object Model) \u306f HTML \u304a\u3088\u3073 XML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u3059\u3002 DOM \u306f\u3001\u8981\u7d20\u3092\u8981\u7d20\u3001\u30c6\u30ad\u30b9\u30c8\u3001\u5c5e\u6027\u306a\u3069\u306e\u30ce\u30fc\u30c9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30c4\u30ea\u30fc\u69cb\u9020\u3068\u3057\u3066\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u3001\u958b\u767a\u8005\u306f JavaScript \u3092\u4f7f\u7528\u3057\u3066\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u5185\u5bb9\u3001\u69cb\u9020\u3001\u30b9\u30bf\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>DOM \u3067\u306f\u3001\u5404\u30ce\u30fc\u30c9\u306f JavaScript \u306b\u3088\u3063\u3066\u30a2\u30af\u30bb\u30b9\u304a\u3088\u3073\u64cd\u4f5c\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 DOM \u306e\u69cb\u9020\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30ce\u30fc\u30c9: HTML \u30da\u30fc\u30b8\u5168\u4f53\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20: HTML \u30da\u30fc\u30b8\u5185\u306e HTML \u8981\u7d20\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5c5e\u6027: HTML \u8981\u7d20\u306e\u5c5e\u6027\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c6\u30ad\u30b9\u30c8 \u30ce\u30fc\u30c9: HTML \u8981\u7d20\u3092\u8868\u3059\u30c6\u30ad\u30b9\u30c8 \u30b3\u30f3\u30c6\u30f3\u30c4\u3002<\/li>\n\n\n\n<li>\u30b3\u30e1\u30f3\u30c8 \u30ce\u30fc\u30c9: HTML \u30da\u30fc\u30b8\u5185\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ce\u30fc\u30c9\u306f\u3001JavaScript \u3067\u4f7f\u7528\u3057\u3066\u3001\u30da\u30fc\u30b8\u4e0a\u306e\u8981\u7d20\u3001\u30c6\u30ad\u30b9\u30c8\u3001\u5c5e\u6027\u306a\u3069\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 DOM \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u958b\u767a\u8005\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u8981\u7d20\u3068\u5c5e\u6027\u3092\u8ffd\u52a0\u3001\u524a\u9664\u3001\u7f6e\u63db\u3001\u307e\u305f\u306f\u5909\u66f4\u3057\u305f\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u305f\u308a\u3001\u30da\u30fc\u30b8\u306e\u5916\u89b3\u3092\u5909\u66f4\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>DOM \u306f Web \u958b\u767a\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3042\u308a\u3001\u30da\u30fc\u30b8\u8981\u7d20\u3092\u5b8c\u5168\u306b\u5236\u5fa1\u3057\u3001\u958b\u767a\u8005\u304c\u5bfe\u8a71\u578b Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u540c\u6642\u306b\u3001DOM \u30c4\u30ea\u30fc\u306f\u30c4\u30ea\u30fc\u306e\u3088\u3046\u306a\u69cb\u9020\u3067\u3042\u308b\u305f\u3081\u3001DOM \u64cd\u4f5c\u3092\u7c21\u5358\u306b\u8d70\u67fb\u3057\u3066\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>DOM\u306e\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>DOM \u306b\u306f\u3001HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u4e00\u90e8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u5909\u66f4\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u591a\u6570\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 DOM \u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b: \u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u8981\u7d20\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>document.getElementById(): ID \u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>document.getElementsByClassName(): \u30af\u30e9\u30b9\u540d\u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>document.getElementsByTagName(): \u30bf\u30b0\u540d\u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>document.querySelector(): CSS \u30bb\u30ec\u30af\u30bf\u3092\u4f7f\u7528\u3057\u3066\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>document.querySelectorAll(): CSS \u30bb\u30ec\u30af\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e00\u81f4\u3059\u308b\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5909\u66f4\u3059\u308b: \u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u6b21\u306e\u65b9\u6cd5\u3067\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>element.setAttribute(): \u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>element.getAttribute(): \u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>element.removeAttribute(): \u8981\u7d20\u306e\u5c5e\u6027\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3059\u308b: \u6b21\u306e\u65b9\u6cd5\u3067\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8981\u7d20.\u30b9\u30bf\u30a4\u30eb.\u30d7\u30ed\u30d1\u30c6\u30a3: \u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>element.classList.add(): CSS \u30af\u30e9\u30b9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20.classList.remove(): CSS \u30af\u30e9\u30b9\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>element.classList.toggle(): CSS \u30af\u30e9\u30b9\u3092\u8ffd\u52a0\u307e\u305f\u306f\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u8981\u7d20\u306e\u5185\u5bb9\u3092\u64cd\u4f5c\u3059\u308b: \u6b21\u306e\u65b9\u6cd5\u3067\u8981\u7d20\u306e\u5185\u5bb9\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8981\u7d20.innerHTML: \u8981\u7d20\u306e HTML \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8a2d\u5b9a\u307e\u305f\u306f\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20.\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4: \u8981\u7d20\u306e\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8a2d\u5b9a\u307e\u305f\u306f\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>element.appendChild(): \u5b50\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>element.removeChild(): \u5b50\u8981\u7d20\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc: \u6b21\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8ffd\u52a0\u304a\u3088\u3073\u524a\u9664\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8981\u7d20.addEventListener(): \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20.removeEventListener(): \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>DOM \u30c4\u30ea\u30fc\u3092\u8d70\u67fb\u3059\u308b: \u6b21\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3001DOM \u30c4\u30ea\u30fc\u3092\u8d70\u67fb\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8981\u7d20.\u89aa\u30ce\u30fc\u30c9: \u89aa\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20.\u5b50\u30ce\u30fc\u30c9: \u3059\u3079\u3066\u306e\u5b50\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20.\u5b50: \u3059\u3079\u3066\u306e\u5b50\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20.\u524d\u5144\u5f1f: \u524d\u306e\u5144\u5f1f\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8981\u7d20.\u6b21\u306e\u5144\u5f1f: \u5f8c\u8005\u306e\u5144\u5f1f\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306f DOM \u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u307b\u3093\u306e\u4e00\u90e8\u3067\u3042\u308a\u3001DOM \u306b\u306f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u53c2\u7167\u304a\u3088\u3073\u4f7f\u7528\u3067\u304d\u308b\u4ed6\u306e\u591a\u304f\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u30ce\u30fc\u30c9\u306e\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3084\u64cd\u4f5c\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u30ce\u30fc\u30c9\u3092 DOM (\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30e2\u30c7\u30eb) \u3092\u4f7f\u7528\u3057\u3066\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002 \u30ce\u30fc\u30c9\u306fHTML\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u5358\u4f4d\u3067\u3042\u308a\u3001\u8981\u7d20\u3001\u5c5e\u6027\u3001\u30c6\u30ad\u30b9\u30c8\u3001\u30b3\u30e1\u30f3\u30c8\u306a\u3069\u3067\u3059\u3002 \u30ce\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u8981\u7d20\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u30b9\u30bf\u30a4\u30eb\u306a\u3069\u306e\u60c5\u5831\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ce\u30fc\u30c9\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3068\u306f\u3001HTML\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u30ce\u30fc\u30c9\u306b\u7279\u5b9a\u306e\u9806\u5e8f\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002 DOM API \u306b\u306f\u3001\u6df1\u3055\u512a\u5148\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3001\u5e45\u512a\u5148\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3001\u89aa\u30ce\u30fc\u30c9 \u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3001\u5b50\u30ce\u30fc\u30c9 \u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u306a\u3069\u3001\u30ce\u30fc\u30c9\u3092\u30c8\u30e9\u30d0\u30fc\u30b9\u3059\u308b\u8907\u6570\u306e\u65b9\u6cd5\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30ce\u30fc\u30c9\u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>getElementById: \u8981\u7d20 ID \u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var element = document.getElementById(\"elementId\");\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>getElementsByTagName: \u30bf\u30b0\u540d\u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u30ce\u30fc\u30c9\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var elements = document.getElementsByTagName(\"tagname\");\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>getElementsByClassName: \u30af\u30e9\u30b9\u540d\u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u30ce\u30fc\u30c9\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var elements = document.getElementsByClassName(\"classname\");\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>parentNode: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u89aa\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>var parent = node.parentNode;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>childNodes: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u3059\u3079\u3066\u306e\u5b50\u30ce\u30fc\u30c9 (\u8981\u7d20\u30ce\u30fc\u30c9\u3001\u30c6\u30ad\u30b9\u30c8 \u30ce\u30fc\u30c9\u306a\u3069\u3092\u542b\u3080) \u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>var children = node.childNodes;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>firstChild: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u6700\u521d\u306e\u5b50\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>var firstChild = node.firstChild;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\">\n<li>lastChild: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u6700\u5f8c\u306e\u5b50\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>var lastChild = node.lastChild;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"8\">\n<li>\u6b21\u306e\u5144\u5f1f: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u6b21\u306e\u5144\u5f1f\u30ce\u30fc\u30c9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>var nextSibling = node.nextSibling;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"9\">\n<li>\u524d\u3078\u5144\u5f1f: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u524d\u306e\u5144\u5f1f\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>var previousSibling = node.previousSibling;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"10\">\n<li>createElement: \u65b0\u3057\u3044\u8981\u7d20\u30ce\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>var newElement = document.createElement(\"tagname\");\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"11\">\n<li>appendChild: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u5b50\u30ce\u30fc\u30c9\u306e\u30ea\u30b9\u30c8\u306e\u672b\u5c3e\u306b\u65b0\u3057\u3044\u5b50\u30ce\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>node.appendChild(newChild);\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"12\">\n<li>removeChild: \u6307\u5b9a\u3057\u305f\u5b50\u30ce\u30fc\u30c9\u3092\u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u5b50\u30ce\u30fc\u30c9\u306e\u4e00\u89a7\u304b\u3089\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>node.removeChild(child);\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"13\">\n<li>replaceChild: \u73fe\u5728\u306e\u30ce\u30fc\u30c9\u306e\u6307\u5b9a\u3055\u308c\u305f\u5b50\u30ce\u30fc\u30c9\u3092\u65b0\u3057\u3044\u5b50\u30ce\u30fc\u30c9\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>node.replaceChild(newChild, oldChild);\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"14\">\n<li>innerHTML: \u8981\u7d20\u306e HTML \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">cssCopy code<code>var html = element.innerHTML;\nelement.innerHTML = \"new html content\";\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"15\">\n<li>value: \u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">csharpCopy code<code>var value = inputElement.value;\ninputElement.value = \"new value\";\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u958b\u767a\u8005\u304c JavaScript \u3067 HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u30ce\u30fc\u30c9\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3001\u52d5\u7684\u306a Web \u30da\u30fc\u30b8\u52b9\u679c\u3092\u5b9f\u73fe\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>AJAX\u306e\u6982\u5ff5\u3068\u5f79\u5272\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>AJAX(\u975e\u540c\u671fJavaScript\u304a\u3088\u3073XML)\u306f\u3001Web\u30da\u30fc\u30b8\u5168\u4f53\u3092\u30ea\u30ed\u30fc\u30c9\u305b\u305a\u306b\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u975e\u540c\u671f\u7684\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3001\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002 \u3053\u308c\u306f\u4e3b\u306bJavaScript\u3001XMLHttpRequest\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u304a\u3088\u3073DOM\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001Web\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30ab\u30eb\u66f4\u65b0\u3068\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30c7\u30fc\u30bf\u66f4\u65b0\u3092\u5b9f\u73fe\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>AJAX\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u975e\u540c\u671f\u306e\u30c7\u30fc\u30bf\u64cd\u4f5c\u3092\u5b9f\u88c5\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306a\u304f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u304a\u3088\u3073\u8868\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30da\u30fc\u30b8\u5168\u4f53\u3092\u66f4\u65b0\u305b\u305a\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u4e00\u90e8\u3092\u66f4\u65b0\u3067\u304d\u308b\u90e8\u5206\u7684\u306a\u66f4\u65b0\u3092\u5b9f\u88c5\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u3068\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u73fe\u5728\u306e\u64cd\u4f5c\u3092\u4e2d\u65ad\u3059\u308b\u3053\u3068\u306a\u304f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>AJAX\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u3001Web\u30b5\u30a4\u30c8\u306e\u30e9\u30a4\u30d6\u30c1\u30e3\u30c3\u30c8\u3001\u691c\u7d22\u30d7\u30ed\u30f3\u30d7\u30c8\u3001\u52d5\u7684\u30c7\u30fc\u30bf\u66f4\u65b0\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5e83\u304f\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>AJAX\u306e\u4ed5\u7d44\u307f\u3068\u5b9f\u88c5\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>AJAX \u306e\u539f\u5247\u306f\u3001XMLHttpRequest \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u57fa\u3065\u304f\u975e\u540c\u671f\u30c7\u30fc\u30bf\u5bfe\u8a71\u3067\u3059\u3002 JavaScript \u3092\u4ecb\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b HTTP \u8981\u6c42\u3092\u9001\u4fe1\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u8981\u6c42\u3092\u51e6\u7406\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u8fd4\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f JavaScript \u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u3092\u89e3\u6790\u3057\u3066\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>AJAX \u306e\u5b9f\u88c5\u306f\u3001\u901a\u5e38\u3001\u6b21\u306e\u624b\u9806\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>XMLHttpRequest \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b: JavaScript \u3092\u4f7f\u7528\u3057\u3066 XMLHttpRequest \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u3053\u308c\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u8981\u6c42\u3092\u9001\u4fe1\u3057\u3001\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u9001\u4fe1: XMLHttpRequest \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e open() \u30e1\u30bd\u30c3\u30c9\u3068 send() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u30e1\u30bd\u30c3\u30c9\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u30a2\u30c9\u30ec\u30b9\u3001\u304a\u3088\u3073\u975e\u540c\u671f\u3067\u51e6\u7406\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b5\u30fc\u30d0\u30fc\u5fdc\u7b54\u306e\u53d7\u4fe1: XMLHttpRequest \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e onreadystatechange \u30a4\u30d9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u3092\u30ea\u30c3\u30b9\u30f3\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u3068\u3001XMLHttpRequest \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u81ea\u52d5\u7684\u306b readyState \u30d7\u30ed\u30d1\u30c6\u30a3\u3068 status \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u547c\u3073\u51fa\u3057\u3066\u3001\u5fdc\u7b54\u306e\u72b6\u614b\u3068\u30c7\u30fc\u30bf \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5fdc\u7b54\u30c7\u30fc\u30bf\u306e\u89e3\u6790: \u30b5\u30fc\u30d0\u30fc\u304c\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u306f JavaScript \u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u89e3\u6790\u3057\u3001\u30da\u30fc\u30b8 \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u66f4\u65b0\u3084\u305d\u306e\u4ed6\u306e\u64cd\u4f5c\u306e\u5b9f\u884c\u306a\u3069\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>AJAX \u306e\u5b9f\u88c5\u3067\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u306e JavaScript \u307e\u305f\u306f jQuery\u3001Vue.js\u3001React\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e JavaScript \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u3068\u5b9f\u88c5\u3092\u7c21\u7d20\u5316\u3057\u3001\u958b\u767a\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>AJAX\u304c\u30b5\u30fc\u30d0\u30fc\u3068\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>AJAX\u3067\u306f\u3001\u901a\u5e38\u3001\u30b5\u30fc\u30d0\u30fc\u3068\u5bfe\u8a71\u3059\u308b\u65b9\u6cd5\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>GET \u30e1\u30bd\u30c3\u30c9: GET \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 AJAX \u8981\u6c42\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u3001\u8981\u6c42\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u30af\u30a8\u30ea\u6587\u5b57\u5217\u306e\u5f62\u5f0f\u3067 URL \u306b\u8ffd\u52a0\u3055\u308c\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u5909\u66f4\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30ea\u30bd\u30fc\u30b9\u307e\u305f\u306f\u30c7\u30fc\u30bf\u3092\u30d5\u30a7\u30c3\u30c1\u3059\u308b\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002<\/li>\n\n\n\n<li>POST \u30e1\u30bd\u30c3\u30c9: POST \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 AJAX \u8981\u6c42\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u8981\u6c42\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f HTTP \u8981\u6c42\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u90e8\u5206\u3068\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u8ffd\u52a0\u3001\u524a\u9664\u3001\u5909\u66f4\u306a\u3069\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u5909\u66f4\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002<\/li>\n\n\n\n<li>PUT \u30e1\u30bd\u30c3\u30c9: PUT \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 AJAX \u8981\u6c42\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u6307\u5b9a\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u304c\u8981\u6c42\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u3088\u3063\u3066\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u65e2\u306b\u5b58\u5728\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002<\/li>\n\n\n\n<li>DELETE \u30e1\u30bd\u30c3\u30c9: DELETE \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 AJAX \u8981\u6c42\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u8981\u6c42\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u3088\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u6307\u5b9a\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u304c\u524a\u9664\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u524a\u9664\u3059\u308b\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>HEAD \u30e1\u30bd\u30c3\u30c9: HEAD \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 AJAX \u8981\u6c42\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u3001\u8981\u6c42\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u30b5\u30fc\u30d0\u30fc\u5fdc\u7b54\u30d8\u30c3\u30c0\u30fc\u3092\u8fd4\u3057\u307e\u3059\u304c\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30dc\u30c7\u30a3\u90e8\u5206\u306f\u8fd4\u3057\u307e\u305b\u3093\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u5b8c\u5168\u306a\u5fdc\u7b54\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306f\u306a\u304f\u3001\u30b5\u30fc\u30d0\u30fc\u5fdc\u7b54\u30d8\u30c3\u30c0\u30fc\u90e8\u5206\u306b\u95a2\u3059\u308b\u60c5\u5831\u306e\u307f\u3092\u53d6\u5f97\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5b9f\u969b\u306e\u958b\u767a\u3067\u306f\u3001\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u5bfe\u8a71\u306e\u305f\u3081\u306b\u7570\u306a\u308b\u8981\u6c42\u65b9\u6cd5\u304c\u9078\u629e\u3055\u308c\u3001HTTP\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4ed5\u69d8\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u306b\u5f93\u3046\u3088\u3046\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>jQuery\u306e\u6982\u5ff5\u3068\u5f79\u5272\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>jQuery \u306f\u3001JavaScript \u306b\u57fa\u3065\u304f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30af\u30ed\u30b9\u30d6\u30e9\u30a6\u30b6 JavaScript \u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u52b9\u679c\u3001AJAX \u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u30bf\u30b9\u30af\u3092\u7c21\u7d20\u5316\u3057\u3001JavaScript \u958b\u767a\u306e\u305f\u3081\u306e\u3088\u308a\u4fbf\u5229\u306a\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u305d\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>DOM \u64cd\u4f5c\u306e\u7c21\u7565\u5316: jQuery \u306b\u306f\u3001HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u8981\u7d20\u3092\u7c21\u5358\u306b\u9078\u629e\u3001\u30c8\u30e9\u30d0\u30fc\u30b9\u3001\u304a\u3088\u3073\u5909\u66f4\u3059\u308b\u305f\u3081\u306e\u3001\u4f7f\u3044\u3084\u3059\u3044\u4e00\u9023\u306e DOM \u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7d71\u4e00\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u51e6\u7406:jQuery\u306e\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30a4\u30d9\u30f3\u30c8\u3092\u7d71\u4e00\u3055\u308c\u305f\u65b9\u6cd5\u3067\u30d0\u30a4\u30f3\u30c9\u304a\u3088\u3073\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u7c21\u6f54\u3067\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>AJAX \u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u7c21\u7d20\u5316: jQuery \u306b\u306f\u3001HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u9001\u4fe1\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3092\u7c21\u5358\u306b\u884c\u3046\u305f\u3081\u306e\u4f7f\u3044\u3084\u3059\u3044\u4e00\u9023\u306e AJAX \u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001XMLHttpRequest \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u4e92\u63db\u6027\u3068\u8907\u96d1\u3055\u306e\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u52b9\u679c\u3092\u63d0\u4f9b\u3059\u308b:jQuery\u306f\u3001\u30d5\u30a7\u30fc\u30c9\u3001\u30b9\u30e9\u30a4\u30c9\u3001\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u52b9\u679c\u3092\u63d0\u4f9b\u3057\u3001\u30da\u30fc\u30b8\u306e\u64cd\u4f5c\u3092\u3088\u308a\u9bae\u660e\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8c4a\u5bcc\u306a\u30d7\u30e9\u30b0\u30a4\u30f3:jQuery\u306b\u306f\u5de8\u5927\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u304c\u3042\u308a\u3001\u958b\u767a\u8005\u306f\u3055\u307e\u3056\u307e\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u305d\u306e\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3064\u307e\u308a\u3001jQuery \u306e\u76ee\u6a19\u306f\u3001JavaScript \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u7c21\u7d20\u5316\u304a\u3088\u3073\u6a19\u6e96\u5316\u3057\u3001\u958b\u767a\u52b9\u7387\u3068\u30b3\u30fc\u30c9\u54c1\u8cea\u3092\u5411\u4e0a\u3055\u305b\u3001\u958b\u767a\u8005\u304c\u30d3\u30b8\u30cd\u30b9 \u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>jQuery\u306e\u4e00\u822c\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>jQuery \u306f\u3001DOM \u64cd\u4f5c\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u52b9\u679c\u306a\u3069\u3092\u7c21\u7d20\u5316\u3059\u308b\u4e00\u822c\u7684\u306a JavaScript \u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001\u958b\u767a\u8005\u306f\u5bfe\u8a71\u578b\u306e Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3088\u308a\u8fc5\u901f\u306b\u958b\u767a\u3067\u304d\u307e\u3059\u3002 jQuery \u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30bb\u30ec\u30af\u30bf<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>$(selector)<\/code>: CSS \u30bb\u30ec\u30af\u30bf\u30fc\u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.find(selector)<\/code>: \u73fe\u5728\u306e\u8981\u7d20\u306e\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u5b50\u8981\u7d20\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.filter(selector)<\/code>: \u6307\u5b9a\u3057\u305f\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u4e00\u81f4\u3059\u308b\u8981\u7d20\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.not(selector)<\/code>: \u4e00\u81f4\u3059\u308b\u8981\u7d20\u304b\u3089\u6307\u5b9a\u3057\u305f\u8981\u7d20\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.eq(index)<\/code>: \u6307\u5b9a\u3057\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f4d\u7f6e\u306b\u3042\u308b\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.first()<\/code>: \u6700\u521d\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.last()<\/code>: \u6700\u5f8c\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.parent()<\/code>: \u89aa\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.children()<\/code>: \u3059\u3079\u3066\u306e\u5b50\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.siblings()<\/code>: \u3059\u3079\u3066\u306e\u5144\u5f1f\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">DOM \u3092\u64cd\u4f5c\u3059\u308b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>.html()<\/code>: \u8981\u7d20\u306e HTML \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.text()<\/code>: \u8981\u7d20\u306e\u30d7\u30ec\u30fc\u30f3\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.val()<\/code>: \u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.attr(name, value)<\/code>: \u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.prop(name, value)<\/code>: \u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059 (\u7279\u5b9a\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059)\u3002<\/li>\n\n\n\n<li><code>.addClass(class)<\/code>: \u8981\u7d20\u306b 1 \u3064\u4ee5\u4e0a\u306e\u30af\u30e9\u30b9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.removeClass(class)<\/code>: \u8981\u7d20\u304b\u3089 1 \u3064\u4ee5\u4e0a\u306e\u30af\u30e9\u30b9\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.toggleClass(class)<\/code>: \u8981\u7d20\u306b\u6307\u5b9a\u3055\u308c\u305f\u30af\u30e9\u30b9\u304c\u306a\u3044\u5834\u5408\u306f\u30af\u30e9\u30b9\u304c\u8ffd\u52a0\u3055\u308c\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.css(property, value)<\/code>: \u8981\u7d20\u306e CSS \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u53d6\u5f97\u307e\u305f\u306f\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u51fa\u6765\u4e8b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>.click(handler)<\/code>: \u8981\u7d20\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u6307\u5b9a\u3057\u305f\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.on(event, selector, handler)<\/code>: 1 \u3064\u4ee5\u4e0a\u306e\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u30d0\u30a4\u30f3\u30c9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.off(event, selector, handler)<\/code>: \u8981\u7d20\u304b\u3089\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.trigger(event)<\/code>: 1 \u3064\u4ee5\u4e0a\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>.hide()<\/code>: \u8981\u7d20\u3092\u975e\u8868\u793a\u306b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.show()<\/code>: \u8981\u7d20\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.fadeIn()<\/code>: \u30d5\u30a7\u30fc\u30c9\u30a4\u30f3\u8981\u7d20\u3002<\/li>\n\n\n\n<li><code>.fadeOut()<\/code>: \u8981\u7d20\u3092\u30d5\u30a7\u30fc\u30c9\u30a2\u30a6\u30c8\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.slideUp()<\/code>: \u8981\u7d20\u3092\u4e0a\u306b\u30b9\u30ef\u30a4\u30d7\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.slideDown()<\/code>: \u8981\u7d20\u3092\u4e0b\u306b\u30b9\u30ef\u30a4\u30d7\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>.animate(properties, options)<\/code>: \u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30e4\u30c3\u30af\u30b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>$.ajax(options)<\/code>: \u975e\u540c\u671f HTTP \u8981\u6c42\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>$.get(url, data, success, dataType)<\/code>: HTTP GET \u8981\u6c42\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>$.post(url, data, success, dataType)<\/code>: HTTP POST \u8981\u6c42\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>$.getJSON(url, data, success)<\/code>: HTTP GET \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066 JSON \u30c7\u30fc\u30bf\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>jQuery\u30bb\u30ec\u30af\u30bf\u3068\u30a4\u30d9\u30f3\u30c8\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>jQuery \u30bb\u30ec\u30af\u30bf\u30fc\u3068\u30a4\u30d9\u30f3\u30c8\u306f\u30b3\u30a2\u6a5f\u80fd\u306e 1 \u3064\u3067\u3042\u308a\u3001DOM \u8981\u7d20\u3092\u64cd\u4f5c\u3057\u3066\u30e6\u30fc\u30b6\u30fc \u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3059\u308b\u4fbf\u5229\u306a\u65b9\u6cd5\u3092\u958b\u767a\u8005\u306b\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30bb\u30ec\u30af\u30bf: jQuery \u306e\u30bb\u30ec\u30af\u30bf\u69cb\u6587\u306f CSS \u30bb\u30ec\u30af\u30bf\u306b\u57fa\u3065\u3044\u3066\u304a\u308a\u3001DOM \u8981\u7d20\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306e\u3088\u308a\u7c21\u6f54\u3067\u67d4\u8edf\u306a\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308bjQuery\u30bb\u30ec\u30af\u30bf\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8981\u7d20\u30bb\u30ec\u30af\u30bf\u30fc:\u6307\u5b9a\u3057\u305f\u8981\u7d20\u30bf\u30a4\u30d7\u306e\u3059\u3079\u3066\u306e\u8981\u7d20(\u4f8b:$(&#8220;p&#8221;))\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u6bb5\u843d\u8981\u7d20\u304c\u9078\u629e\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>ID \u30bb\u30ec\u30af\u30bf\u30fc: ID \u3092\u6307\u5b9a\u3059\u308b\u8981\u7d20 ($(&#8220;#myId&#8221;) \u306a\u3069) \u3092\u9078\u629e\u3059\u308b\u3068\u3001id \u5c5e\u6027 &#8220;myId&#8221; \u3092\u6301\u3064\u8981\u7d20\u304c\u9078\u629e\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\u30bb\u30ec\u30af\u30bf\u30fc: \u6307\u5b9a\u3057\u305f\u30af\u30e9\u30b9\u306e\u3059\u3079\u3066\u306e\u8981\u7d20 ($(&#8220;.myClass&#8221;) \u306a\u3069) \u3092\u9078\u629e\u3059\u308b\u3068\u3001\u30af\u30e9\u30b9\u5c5e\u6027\u306b &#8220;myClass&#8221; \u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u8981\u7d20\u304c\u9078\u629e\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5c5e\u6027\u30bb\u30ec\u30af\u30bf\u30fc: $(&#8220;[name=&#8217;myName&#8217;]&#8221;) \u306e\u3088\u3046\u306b\u3001\u6307\u5b9a\u3057\u305f\u5c5e\u6027\u3092\u6301\u3064\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\u3068\u3001name \u5c5e\u6027\u304c &#8220;myName&#8221; \u3068\u7b49\u3057\u3044\u8981\u7d20\u304c\u9078\u629e\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5b50\u8981\u7d20\u30bb\u30ec\u30af\u30bf\u30fc: \u6307\u5b9a\u3057\u305f\u89aa\u8981\u7d20\u306e\u4e0b\u306e\u5b50\u8981\u7d20\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001$(&#8220;#myId p&#8221;) \u306f\u3001id \u5c5e\u6027 &#8220;myId&#8221; \u3092\u6301\u3064\u8981\u7d20\u306e\u4e0b\u306b\u3042\u308b\u3059\u3079\u3066\u306e\u6bb5\u843d\u8981\u7d20\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7956\u5148\u8981\u7d20\u30bb\u30ec\u30af\u30bf\u30fc: \u6307\u5b9a\u3057\u305f\u5b50\u8981\u7d20\u306e\u4e0b\u306b\u3042\u308b\u7956\u5148\u8981\u7d20 ($(&#8220;p&#8221;).parents(&#8220;#myId&#8221;) \u306a\u3069) \u3092\u9078\u629e\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u6bb5\u843d\u8981\u7d20\u306e\u7956\u5148\u8981\u7d20\u306e\u4e2d\u304b\u3089 id \u5c5e\u6027 &#8220;myId&#8221; \u3092\u6301\u3064\u8981\u7d20\u304c\u9078\u629e\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8:jQuery\u306f\u3001\u30de\u30a6\u30b9\u30a4\u30d9\u30f3\u30c8\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u30a4\u30d9\u30f3\u30c8\u3001\u30d5\u30a9\u30fc\u30e0\u30a4\u30d9\u30f3\u30c8\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u30a4\u30d9\u30f3\u30c8\u306a\u3069\u3001\u8c4a\u5bcc\u306a\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308bjQuery\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>click(): \u8981\u7d20\u306e\u30de\u30a6\u30b9\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>hover(): \u8981\u7d20\u306e\u30de\u30a6\u30b9\u79fb\u52d5\u30a4\u30f3\u304a\u3088\u3073\u30a2\u30a6\u30c8\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>keydown(): \u8981\u7d20\u306e\u30ad\u30fc\u30dc\u30fc\u30c9\u62bc\u4e0b\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>submit(): \u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>ready(): \u521d\u671f\u5316\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u30a4\u30d9\u30f3\u30c8\u3002<\/li>\n\n\n\n<li>change(): \u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306e\u5024\u5909\u66f4\u30a4\u30d9\u30f3\u30c8\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u306b\u52a0\u3048\u3066\u3001jQuery \u306b\u306f\u30a4\u30d9\u30f3\u30c8 \u30d0\u30a4\u30f3\u30c9\u3084\u30d0\u30a4\u30f3\u30c9\u89e3\u9664\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u958b\u767a\u8005\u306f\u3055\u307e\u3056\u307e\u306a\u30a4\u30d9\u30f3\u30c8\u3092\u3088\u308a\u67d4\u8edf\u306b\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6982\u5ff5\u3068\u539f\u5247\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0(OOP)\u306f\u3001\u73fe\u5b9f\u4e16\u754c\u306e\u3082\u306e\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u62bd\u8c61\u5316\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u901a\u3058\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d1\u30e9\u30c0\u30a4\u30e0\u3067\u3059\u3002 \u3053\u308c\u306b\u306f\u3001\u30ab\u30d7\u30bb\u30eb\u5316\u3001\u7d99\u627f\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3068\u3044\u3046 3 \u3064\u306e\u57fa\u672c\u6982\u5ff5\u304c\u3042\u308a\u307e\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u4e00\u822c\u7684\u306a\u539f\u5247\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5358\u4e00\u8cac\u4efb\u539f\u5247(SRP):\u30af\u30e9\u30b9\u306f1\u3064\u306e\u8cac\u4efb\u306e\u307f\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002 \u30aa\u30fc\u30d7\u30f3\u30af\u30ed\u30fc\u30ba\u30c9\u539f\u5247(OCP):\u62e1\u5f35\u6a5f\u80fd\u306b\u5bfe\u3057\u3066\u30aa\u30fc\u30d7\u30f3\u3067\u3001\u5909\u66f4\u306b\u5bfe\u3057\u3066\u30af\u30ed\u30fc\u30ba\u30c9\u3002 2.\u30ea\u30b9\u30b3\u30d5\u7f6e\u63db\u539f\u5247(LSP):\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u3001\u52d5\u4f5c\u3092\u5909\u66f4\u305b\u305a\u306b\u89aa\u30af\u30e9\u30b9\u3092\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 3.\u4f9d\u5b58\u95a2\u4fc2\u9006\u8ee2\u306e\u539f\u5247(DIP):\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u3067\u306f\u306a\u304f\u62bd\u8c61\u5316\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002 4)\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u5206\u96e2\u306e\u539f\u5247(ISP):\u30af\u30e9\u30b9\u306f\u3001\u4f7f\u7528\u3057\u306a\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u3088\u3046\u306b\u5f37\u5236\u3055\u308c\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 5)\u30c7\u30e1\u30c6\u30eb\u306e\u6cd5\u5247(LoD):\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4ed6\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u95a2\u3059\u308b\u6700\u5c0f\u9650\u306e\u77e5\u8b58\u3092\u6301\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u306f\u3001\u6b21\u306e\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>1.\u30e2\u30b8\u30e5\u30fc\u30eb\u6027:\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u500b\u3005\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5206\u89e3\u3057\u3001\u30b3\u30fc\u30c9\u306e\u4fdd\u5b88\u3068\u518d\u5229\u7528\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002 2.\u30ab\u30d7\u30bb\u30eb\u5316:\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u5b9f\u88c5\u306e\u8a73\u7d30\u3092\u5916\u90e8\u304b\u3089\u96a0\u3057\u3001\u30c7\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u307f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 3.\u7d99\u627f:\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u89aa\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3057\u3001\u91cd\u8907\u30b3\u30fc\u30c9\u306e\u767a\u751f\u3092\u6e1b\u3089\u3057\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002 4.\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0:\u540c\u3058\u30e1\u30bd\u30c3\u30c9\u3092\u7570\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u67d4\u8edf\u6027\u3068\u62e1\u5f35\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u6b20\u70b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>1.\u3088\u308a\u591a\u304f\u306e\u30b3\u30fc\u30c9:\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u591a\u304f\u306e\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u30b3\u30fc\u30c9\u306e\u91cf\u306f\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d1\u30e9\u30c0\u30a4\u30e0\u3088\u308a\u3082\u591a\u304f\u306a\u308a\u307e\u3059\u3002 2.\u9ad8\u3044\u8907\u96d1\u3055:\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u3001\u30af\u30e9\u30b9\u9593\u306e\u95a2\u4fc2\u3092\u8003\u616e\u3057\u3001\u9069\u5207\u306a\u7d99\u627f\u95a2\u4fc2\u3092\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u8907\u96d1\u3055\u3092\u5897\u3057\u3084\u3059\u3044\u3067\u3059\u3002 3.\u4f4e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9:\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u983b\u7e41\u306b\u4f5c\u6210\u304a\u3088\u3073\u7834\u68c4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u4e00\u5b9a\u306e\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u3067\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 (OOP) \u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u306e\u30c7\u30fc\u30bf\u3068\u52d5\u4f5c\u3092 1 \u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d50\u5408\u3059\u308b\u3053\u3068\u3092\u5f37\u8abf\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d9\u30fc\u30b9\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30d1\u30e9\u30c0\u30a4\u30e0\u3067\u3059\u3002 JavaScript \u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u306f\u3001\u6b21\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8:JavaScript\u306e\u3059\u3079\u3066\u306f\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u306e\u30c7\u30fc\u30bf(\u6587\u5b57\u5217\u3001\u6570\u5024\u3001\u30d6\u30fc\u30eb\u5024\u306a\u3069)\u3001\u95a2\u6570\u3001\u914d\u5217\u306a\u3069\u3092\u542b\u3080\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u5404\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u307e\u305f\u306f\u89d2\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u307e\u305f\u306f\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9: JavaScript \u3067\u306f\u3001\u30af\u30e9\u30b9\u306f\u7279\u5225\u306a\u7a2e\u985e\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u30af\u30e9\u30b9\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u9752\u5199\u771f\u3067\u3059\u3002 JavaScript \u306f\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30b9\u3092\u5b9f\u88c5\u3057\u3001\u95a2\u6570\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u3001new \u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001Person \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u30af\u30e9\u30b9 Person \u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function Person(name, age) {\n  this.name = name;\n  this.age = age;\n  this.sayHi = function() {\n    console.log(\"Hi, my name is \" + this.name + \" and I am \" + this.age + \" years old.\");\n  }\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u7d99\u627f: JavaScript \u3067\u306f\u3001\u7d99\u627f\u306f\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30c1\u30a7\u30fc\u30f3\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306f\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3067\u304d\u307e\u3059\u3002 \u5b50\u30af\u30e9\u30b9\u306f\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30c1\u30a7\u30fc\u30f3\u3092\u4ecb\u3057\u3066\u89aa\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001Person \u30af\u30e9\u30b9\u3092\u7d99\u627f\u3059\u308b Student \u30af\u30e9\u30b9\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function Student(name, age, major) {\n  Person.call(this, name, age);\n  this.major = major;\n}\n\nStudent.prototype = Object.create(Person.prototype);\nStudent.prototype.constructor = Student;\nStudent.prototype.sayMajor = function() {\n  console.log(\"My major is \" + this.major);\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0: \u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3068\u306f\u3001\u540c\u3058\u30e1\u30bd\u30c3\u30c9\u304c\u7570\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u7570\u306a\u308b\u5b9f\u88c5\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4ed6\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001Animal \u3068 Dog \u3068\u3044\u3046 2 \u3064\u306e\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306f Animal \u304b\u3089\u7d99\u627f\u3057\u3001\u7570\u306a\u308b\u6a39\u76ae\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function Animal() {}\n\nAnimal.prototype.bark = function() {\n  console.log(\"I am an animal.\");\n}\n\nfunction Dog() {}\n\nDog.prototype = Object.create(Animal.prototype);\nDog.prototype.constructor = Dog;\nDog.prototype.bark = function() {\n  console.log(\"I am a dog.\");\n}\n<\/code><\/pre>\n\n\n\n<p>JavaScript \u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3057\u3001\u4fdd\u5b88\u3057\u3084\u3059\u304f\u3001\u518d\u5229\u7528\u3057\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u306e\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u306f\u3001\u30af\u30e9\u30b9\u3067\u306f\u306a\u304f\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306b\u57fa\u3065\u304f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30b7\u30b9\u30c6\u30e0\u3092\u5099\u3048\u305f\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7 \u30d9\u30fc\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30af\u30e9\u30b9\u306f\u3001\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u4f5c\u6210\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u3059\u3002 \u30af\u30e9\u30b9\u306b\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3066\u4f7f\u7528\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u5b9a\u4e49\u4e00\u4e2aPerson\u7c7b\nclass Person {\n  constructor(name, age) {\n    this.name = name;\n    this.age = age;\n  }\n  \n  sayHello() {\n    console.log(`Hello, my name is ${this.name} and I am ${this.age} years old.`);\n  }\n}\n\n\/\/ \u521b\u5efa\u4e00\u4e2aPerson\u5bf9\u8c61\nconst person1 = new Person('Alice', 25);\n\n\/\/ \u8c03\u7528\u5bf9\u8c61\u7684\u65b9\u6cd5\nperson1.sayHello(); \/\/ \u8f93\u51fa \"Hello, my name is Alice and I am 25 years old.\"\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u521d\u671f\u5316\u3059\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3068\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u51fa\u529b\u3059\u308b sayHello \u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064 Person \u3068\u3044\u3046\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002 \u6b21\u306b\u3001new \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3001person1 \u3068\u3044\u3046\u540d\u524d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e sayHello \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u60c5\u5831\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u72b6\u6cc1\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u304c\u3001\u30ea\u30c6\u30e9\u30eb\u8868\u8a18\u3084\u30d5\u30a1\u30af\u30c8\u30ea\u95a2\u6570\u306a\u3069\u3001JavaScript \u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306f\u4ed6\u306b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001JavaScript \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u4e21\u65b9\u3092\u52d5\u7684\u306b\u8ffd\u52a0\u304a\u3088\u3073\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u5b9f\u884c\u6642\u306b\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u65e2\u5b58\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u66f4\u3057\u305f\u308a\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u521b\u5efa\u4e00\u4e2a\u7a7a\u5bf9\u8c61\nconst obj = {};\n\n\/\/ \u52a8\u6001\u6dfb\u52a0\u5c5e\u6027\nobj.name = 'Bob';\nobj.age = 30;\n\n\/\/ \u52a8\u6001\u6dfb\u52a0\u65b9\u6cd5\nobj.sayHello = function() {\n  console.log(`Hello, my name is ${this.name} and I am ${this.age} years old.`);\n}\n\n\/\/ \u8c03\u7528\u65b9\u6cd5\nobj.sayHello(); \/\/ \u8f93\u51fa \"Hello, my name is Bob and I am 30 years old.\"\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 {} \u3092\u6301\u3064\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u52d5\u7684\u306b\u8ffd\u52a0\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e sayHello \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u60c5\u5831\u3092\u51fa\u529b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>JavaScript\u30af\u30e9\u30b9\u306e\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001ES6 \u304b\u3089\u59cb\u307e\u308b\u30af\u30e9\u30b9\u306e\u6982\u5ff5\u304c\u5c0e\u5165\u3055\u308c\u3001JavaScript \u8a00\u8a9e\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u30af\u30e9\u30b9\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u3042\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3059\u308b\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002 JavaScript \u3067\u306f\u3001\u30af\u30e9\u30b9\u306f\u7d99\u627f\u306b\u3088\u3063\u3066\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3068\u62bd\u8c61\u5316\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30b9\u7d99\u627f\u3068\u306f\u3001\u5b50\u30af\u30e9\u30b9\u304c\u89aa\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 JavaScript \u3067\u306f\u3001extends \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30e9\u30b9\u7d99\u627f\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002 \u5b50\u30af\u30e9\u30b9\u306f\u3001\u89aa\u30af\u30e9\u30b9\u306e\u3059\u3079\u3066\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u7d99\u627f\u3067\u304d\u3001\u89aa\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u305f\u308a\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3068\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 JavaScript \u3067\u306f\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u30e1\u30bd\u30c3\u30c9\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3068\u306f\u3001\u30b5\u30d6\u30af\u30e9\u30b9\u304c\u89aa\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u57fa\u3065\u3044\u3066\u3055\u307e\u3056\u307e\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u5b9f\u88c5\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u30e1\u30bd\u30c3\u30c9\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3068\u306f\u3001\u30af\u30e9\u30b9\u5185\u306b\u540c\u3058\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u8907\u6570\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u578b\u3001\u6570\u5024\u3001\u623b\u308a\u5024\u306e\u578b\u306a\u3069\u304c\u7570\u306a\u308a\u3001\u6e21\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u578b\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u6570\u3001\u623b\u308a\u5024\u306e\u578b\u306a\u3069\u306b\u3088\u3063\u3066\u547c\u3073\u51fa\u3059\u30e1\u30bd\u30c3\u30c9\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>JavaScript \u3067\u306f\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3068\u62bd\u8c61\u5316\u306f\u3001\u30af\u30e9\u30b9\u306e\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>Github\u3067\u512a\u308c\u305fJavaScript\u958b\u767a\u30a2\u30d7\u30ea\u306f\u4f55\u3067\u3059\u304b?<\/p>\n\n\n\n<p>GitHub \u306b\u306f\u7d20\u6674\u3089\u3057\u3044 JavaScript \u30a2\u30d7\u30ea\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u306b\u3044\u304f\u3064\u304b\u306e\u512a\u308c\u305f JavaScript \u30a2\u30d7\u30ea\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>React: \u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306bFacebook\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305fJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3002<\/li>\n\n\n\n<li>Vue: \u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u3084\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u306e\u69cb\u7bc9\u306b\u4f7f\u7528\u3067\u304d\u308b\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6 JavaScript \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/li>\n\n\n\n<li>Angular: \u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306bGoogle\u304c\u958b\u767a\u3057\u305fJavaScript\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/li>\n\n\n\n<li>\u30ce\u30fc\u30c9.js: \u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u7528\u306e Chrome V8 \u30a8\u30f3\u30b8\u30f3\u306b\u57fa\u3065\u304f JavaScript \u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u3002<\/li>\n\n\n\n<li>Electron:Web\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/li>\n\n\n\n<li>React Native: \u30cd\u30a4\u30c6\u30a3\u30d6\u306eiOS\u304a\u3088\u3073Android\u30a2\u30d7\u30ea\u7528\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306bFacebook\u304c\u958b\u767a\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/li>\n\n\n\n<li>Express: Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068 API \u306e\u69cb\u7bc9\u306b\u4f7f\u7528\u3067\u304d\u308b\u30ce\u30fc\u30c9.js\u30d9\u30fc\u30b9\u306e Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/li>\n\n\n\n<li>D3.js: \u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30c7\u30fc\u30bf\u30c1\u30e3\u30fc\u30c8\u306e\u4f5c\u6210\u306b\u4f7f\u7528\u3067\u304d\u308b\u3001\u30c7\u30fc\u30bf\u53ef\u8996\u5316\u7528\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3002<\/li>\n\n\n\n<li>3.js:\u30a6\u30a7\u30d6\u4e0a\u3067&lt;&gt;D\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3002<\/li>\n\n\n\n<li>\u30c1\u30e3\u30fc\u30c8.js: HTML5 \u30ad\u30e3\u30f3\u30d0\u30b9\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f\u30b7\u30f3\u30d7\u30eb\u306a JavaScript \u30c1\u30e3\u30fc\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u7f8e\u3057\u304f\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306a\u30c7\u30fc\u30bf\u30d3\u30b8\u30e5\u30a2\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306f JavaScript \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u307b\u3093\u306e\u4e00\u4f8b\u3067\u3042\u308a\u3001GitHub \u306b\u306f\u4ed6\u306b\u3082\u591a\u304f\u306e\u512a\u308c\u305f JavaScript \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=781\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"\u8ecd\u4ead\"\/><\/figure>\n\n\n\n<p>Github\u306e\u512a\u308c\u305fJavaScript\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u304b?<\/p>\n\n\n\n<p>Github\u306b\u306f\u591a\u304f\u306e\u512a\u308c\u305fJavaScript\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u3042\u308a\u3001\u305d\u308c\u3089\u306e\u3044\u304f\u3064\u304b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>JavaScript \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30b3\u30df\u30e5\u30cb\u30c6\u30a3:&nbsp;<a href=\"https:\/\/github.com\/javascript\">https:\/\/github.com\/javascript<\/a><\/li>\n\n\n\n<li>MDN \u30a6\u30a7\u30d6\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8:<a href=\"https:\/\/github.com\/mdn\">https:\/\/github.com\/mdn<\/a><\/li>\n\n\n\n<li>JavaScript \u6a19\u6e96\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9 \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb:&nbsp;<a href=\"https:\/\/github.com\/ruanyf\/jstutorial\">https:\/\/github.com\/ruanyf\/jstutorial<\/a><\/li>\n\n\n\n<li>JavaScript \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u4ed5\u69d8:&nbsp;<a href=\"https:\/\/github.com\/airbnb\/javascript\">https:\/\/github.com\/airbnb\/javascript<\/a><\/li>\n\n\n\n<li>JavaScript \u30c7\u30b6\u30a4\u30f3 \u30d1\u30bf\u30fc\u30f3:&nbsp;<a href=\"https:\/\/github.com\/sohamkamani\/javascript-design-patterns-for-humans\">https:\/\/github.com\/sohamkamani\/javascript-design-patterns-for-humans<\/a><\/li>\n\n\n\n<li>JavaScript \u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3068\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0:&nbsp;<a href=\"https:\/\/github.com\/trekhleb\/javascript-algorithms\">https:\/\/github.com\/trekhleb\/javascript-algorithms<\/a><\/li>\n\n\n\n<li>JavaScript \u975e\u540c\u671f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0:&nbsp;<a href=\"https:\/\/github.com\/caolan\/async\">https:\/\/github.com\/caolan\/async<\/a><\/li>\n\n\n\n<li>JavaScript \u306e\u5358\u4f53\u30c6\u30b9\u30c8:&nbsp;<a href=\"https:\/\/github.com\/mochajs\/mocha\">https:\/\/github.com\/mochajs\/mocha<\/a><\/li>\n\n\n\n<li>JavaScript \u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u30c1\u30a7\u30c3\u30af:&nbsp;<a href=\"https:\/\/github.com\/eslint\/eslint\">https:\/\/github.com\/eslint\/eslint<\/a><\/li>\n\n\n\n<li>JavaScript \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af:&nbsp;<a href=\"https:\/\/github.com\/facebook\/react\">https:\/\/github.com\/facebook\/react<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>IT\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30d3\u30c7\u30aa\u3092\u3084\u308a\u305f\u3044\u306e\u3067 &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-944","post","type-post","status-publish","format-standard","hentry","category-material"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/posts\/944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=944"}],"version-history":[{"count":1,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/posts\/944\/revisions"}],"predecessor-version":[{"id":945,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/posts\/944\/revisions\/945"}],"wp:attachment":[{"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}