{"id":927,"date":"2023-04-12T14:23:27","date_gmt":"2023-04-12T05:23:27","guid":{"rendered":"http:\/\/edu.ujhb.org\/?p=927"},"modified":"2023-04-12T14:23:27","modified_gmt":"2023-04-12T05:23:27","slug":"react%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=927","title":{"rendered":"React\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 React\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\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3061\u308d\u3093\u3067\u3059\uff01 \u53ef\u80fd\u306aReact\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u6982\u8981\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53cd\u5fdc\u306e\u6982\u8981\n<ul class=\"wp-block-list\">\n<li>\u53cd\u5fdc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/li>\n\n\n\n<li>\u53cd\u5fdc\u306e\u6b74\u53f2\u3068\u8d77\u6e90<\/li>\n\n\n\n<li>\u53cd\u5fdc\u306e\u6a5f\u80fd\u3068\u5229\u70b9<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u74b0\u5883\u8a2d\u5b9a\n<ul class=\"wp-block-list\">\n<li>\u30ce\u30fc\u30c9.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/li>\n\n\n\n<li>NPM \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/li>\n\n\n\n<li>\u53cd\u5fdc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f5c\u6210<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>JSX \u306e\u57fa\u672c\n<ul class=\"wp-block-list\">\n<li>JSX\u3068\u306f\u4f55\u3067\u3059\u304b?<\/li>\n\n\n\n<li>JSX \u69cb\u6587<\/li>\n\n\n\n<li>JSX\u5bfe.HTML<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b5\u30d6\u30a2\u30bb\u30f3\u30d6\u30ea\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u306f<\/li>\n\n\n\n<li>\u53cd\u5fdc\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u7a2e\u985e<\/li>\n\n\n\n<li>\u53cd\u5fdc\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b<\/li>\n\n\n\n<li>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5c0f\u9053\u5177\u548c\u5dde\n<ul class=\"wp-block-list\">\n<li>\u5c0f\u9053\u5177\u3068\u72b6\u614b\u3068\u306f\u4f55\u3067\u3059\u304b?<\/li>\n\n\n\n<li>\u533a\u5225\u3068\u4f7f\u7528\u6cd5<\/li>\n\n\n\n<li>\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306e\u66f4\u65b0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u6982\u8981<\/li>\n\n\n\n<li>\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc<\/li>\n\n\n\n<li>\u3053\u308c\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u306f<\/li>\n\n\n\n<li>If \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u4e09\u89d2\u6f14\u7b97\u5b50<\/li>\n\n\n\n<li>AND \u6f14\u7b97\u5b50\u3068\u8ad6\u7406\u6f14\u7b97\u5b50<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30ea\u30b9\u30c8\u3068\u30ad\u30fc\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30b9\u30c8\u3068\u306f<\/li>\n\n\n\n<li>\u30ea\u30b9\u30c8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u30ad\u30fc\u306e\u5f79\u5272<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5f62\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a9\u30fc\u30e0\u3068\u306f<\/li>\n\n\n\n<li>\u5236\u5fa1\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u901a\u4fe1\n<ul class=\"wp-block-list\">\n<li>\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059<\/li>\n\n\n\n<li>\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30d6\u30e9\u30b6\u30fc\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u901a\u4fe1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9ad8\u5ea6\u306a\u30c6\u30fc\u30de\n<ul class=\"wp-block-list\">\n<li>\u6587\u8108<\/li>\n\n\n\n<li>\u53c2\u7167<\/li>\n\n\n\n<li>\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8<\/li>\n\n\n\n<li>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u6982\u8981\u304c\u304a\u5f79\u306b\u7acb\u3066\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u3068\u306f\u4f55\u304b\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>React\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9(UI)\u7528\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3055\u308c\u305f\u958b\u767a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002 2011\u5e74\u306bFacebook\u30a8\u30f3\u30b8\u30cb\u30a2\u306eJordan Walke\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u305fReact\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u306e\u305f\u3081\u306e\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e&lt;&gt;\u3064\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>React\u306e\u4e2d\u5fc3\u7684\u306a\u30a2\u30a4\u30c7\u30a2\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c4\u30ea\u30fc\u3068\u8003\u3048\u3001\u305d\u308c\u305e\u308c\u304c\u300c\u5c0f\u9053\u5177\u300d(\u7565\u3057\u3066\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u300d)\u3068\u547c\u3070\u308c\u308b\u3044\u304f\u3064\u304b\u306e\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d7\u3051\u53d6\u308a\u3001\u3053\u308c\u3089\u306e\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u57fa\u3065\u3044\u3066\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3059\u3002 React\u306fUI\u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3057\u3001\u5927\u898f\u6a21\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u5229\u7528\u3067\u304d\u308b\u5c0f\u3055\u306a\u72ec\u7acb\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5206\u5272\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>React\u306e\u3082\u3046\u4e00\u3064\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u306f\u3001DOM\u64cd\u4f5c\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u4eee\u60f3\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e2\u30c7\u30eb(\u4eee\u60f3DOM)\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u4eee\u60f3 DOM \u306f\u3001\u5b9f\u969b\u306e DOM \u306e\u62bd\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8868\u3059\u30e1\u30e2\u30ea\u5185\u306e JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b(\u3064\u307e\u308a\u300c\u72b6\u614b\u300d)\u304c\u5909\u5316\u3059\u308b\u305f\u3073\u306b\u3001React\u306f\u81ea\u52d5\u7684\u306b\u65b0\u3057\u3044\u4eee\u60f3DOM\u3092\u8a08\u7b97\u3057\u3001\u6700\u5f8c\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u4eee\u60f3DOM\u3068\u6bd4\u8f03\u3057\u3001\u5909\u66f4\u3055\u308c\u305f\u30d1\u30fc\u30c4\u3092\u898b\u3064\u3051\u3066\u3001\u5909\u66f4\u3055\u308c\u305f\u30d1\u30fc\u30c4\u306e\u307f\u3092\u5b9f\u969b\u306eDOM\u306b\u66f4\u65b0\u3057\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001DOM \u3092\u76f4\u63a5\u64cd\u4f5c\u3059\u308b\u5f93\u6765\u306e\u65b9\u6cd5\u3088\u308a\u3082\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001React\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3001\u5c0f\u9053\u5177\u3001\u304a\u3088\u3073\u4eee\u60f3DOM\u3092\u901a\u3058\u3066\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u69cb\u7bc9\u3059\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306f\u5927\u898f\u6a21\u3067\u9ad8\u6027\u80fd\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3088\u308a\u901f\u304f\u7c21\u5358\u306b\u958b\u767a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u6b74\u53f2\u3068\u8d77\u6e90\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u306e\u6b74\u53f2\u306f\u3001Facebook\u304c\u52b9\u7387\u7684\u3067\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u65b0\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u305f2010\u5e74\u306b\u3055\u304b\u306e\u307c\u308a\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u5f53\u6642\u306e\u4e3b\u6d41\u306eJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306fFacebook\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u305f\u3081\u3001Facebook\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3042\u308bJordan Walke\u306f\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u65b0\u3057\u3044\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u958b\u767a\u306b\u7740\u624b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>2011\u5e74\u306eJSConfUS\u3067\u3001Jordan Walke\u306f\u5f53\u6642\u300cFaxJS\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u305fReact\u306e\u6700\u521d\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002 \u305d\u306e\u5f8c\u6570\u5e74\u9593\u3001Facebook\u5185\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306fReact\u306e\u958b\u767a\u3068\u4f7f\u7528\u3092\u7d9a\u3051\u3001\u5f90\u3005\u306bFacebook\u306e\u30b3\u30a2\u88fd\u54c1\u306b\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>2013\u5e74\u306bReact\u304c\u6700\u521d\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001\u3059\u3050\u306b\u958b\u767a\u8005\u306e\u6ce8\u76ee\u3092\u96c6\u3081\u307e\u3057\u305f\u3002 \u305d\u306e\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fdd\u5b88\u6027\u306b\u3088\u308a\u3001React\u306f\u3059\u3050\u306b\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u306e\u4eba\u6c17\u306e\u3042\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e&lt;&gt;\u3064\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>React\u306e\u521d\u671f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u305d\u306e\u8a2d\u8a08\u54f2\u5b66\u306f\u4e3b\u306b\u5f93\u6765\u306eMVC(Model-View-Controller)\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304b\u3089\u501f\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001React\u304c\u6210\u9577\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u4eee\u60f3DOM\u3092\u4f7f\u7528\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3057\u306a\u304c\u3089\u3001\u8a2d\u8a08\u54f2\u5b66\u306f\u5f90\u3005\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3055\u308c\u305f\u958b\u767a\u306b\u5909\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>React\u304c\u6210\u9577\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001Facebook\u306f\u5f90\u3005\u306b\u305d\u308c\u3092\u958b\u653e\u3057\u3001React\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3092\u69cb\u7bc9\u3057\u3001React\u3092\u30aa\u30fc\u30d7\u30f3\u3067\u5171\u6709\u3055\u308c\u305f\u958b\u767a\u30c4\u30fc\u30eb\u306b\u3057\u307e\u3057\u305f\u3002 \u73fe\u5728\u3001React\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u3067\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e1\u3064\u306b\u306a\u308a\u3001\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3(SPA)\u304b\u3089\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u307e\u3067\u3001\u5e45\u5e83\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b7\u30ca\u30ea\u30aa\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u6a5f\u80fd\u3068\u5229\u70b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u306b\u306f\u6b21\u306e\u6a5f\u80fd\u3068\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3055\u308c\u305f\u958b\u767a:React\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c4\u30ea\u30fc\u3068\u3057\u3066\u6271\u3044\u3001\u305d\u308c\u305e\u308c\u304c\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc(\u3064\u307e\u308a\u300c\u5c0f\u9053\u5177\u300d)\u3092\u53d7\u3051\u53d6\u308a\u3001\u3053\u308c\u3089\u306e\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u57fa\u3065\u3044\u3066\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002 React\u306fUI\u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3057\u3001\u5927\u898f\u6a21\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u5229\u7528\u3067\u304d\u308b\u5c0f\u3055\u306a\u72ec\u7acb\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5206\u5272\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4eee\u60f3 DOM: React \u306f\u4eee\u60f3 DOM \u3092\u4f7f\u7528\u3057\u3066\u3001DOM \u64cd\u4f5c\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002 \u4eee\u60f3 DOM \u306f\u3001\u5b9f\u969b\u306e DOM \u306e\u62bd\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8868\u3059\u30e1\u30e2\u30ea\u5185\u306e JavaScript \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b(\u3064\u307e\u308a\u300c\u72b6\u614b\u300d)\u304c\u5909\u5316\u3059\u308b\u305f\u3073\u306b\u3001React\u306f\u81ea\u52d5\u7684\u306b\u65b0\u3057\u3044\u4eee\u60f3DOM\u3092\u8a08\u7b97\u3057\u3001\u6700\u5f8c\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u4eee\u60f3DOM\u3068\u6bd4\u8f03\u3057\u3001\u5909\u66f4\u3055\u308c\u305f\u30d1\u30fc\u30c4\u3092\u898b\u3064\u3051\u3066\u3001\u5909\u66f4\u3055\u308c\u305f\u30d1\u30fc\u30c4\u306e\u307f\u3092\u5b9f\u969b\u306eDOM\u306b\u66f4\u65b0\u3057\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001DOM \u3092\u76f4\u63a5\u64cd\u4f5c\u3059\u308b\u5f93\u6765\u306e\u65b9\u6cd5\u3088\u308a\u3082\u52b9\u7387\u7684\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u9ad8\u6027\u80fd:React\u306f\u3001\u4eee\u60f3DOM\u3068\u30b5\u30a6\u30f3\u30c9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u66f4\u65b0\u6226\u7565\u3092\u4f7f\u7528\u3057\u3066\u975e\u5e38\u306b\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002 React\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u306a\u3057\u306b\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3068\u8907\u96d1\u306a\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u9069\u5207\u306b\u51e6\u7406\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7fd2\u5f97\u3068\u4f7f\u7528\u304c\u7c21\u5358: React\u306eAPI\u306f\u3001\u521d\u5fc3\u8005\u304c\u308f\u304b\u308a\u3084\u3059\u304f\u3001\u7c21\u5358\u306b\u7fd2\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002 React\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3082\u975e\u5e38\u306b\u8c4a\u5bcc\u3067\u3001\u958b\u767a\u8005\u306f\u554f\u984c\u306e\u89e3\u6c7a\u7b56\u3092\u7c21\u5358\u306b\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u591a\u6570\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30c4\u30fc\u30eb\u306e\u30b5\u30dd\u30fc\u30c8:React\u306e\u5e45\u5e83\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308a\u3001Redux\u3001React Router\u306a\u3069\u3001React\u3067\u4f7f\u7528\u3067\u304d\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30c4\u30fc\u30eb\u304c\u3059\u3067\u306b\u591a\u6570\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30c4\u30fc\u30eb\u306b\u3088\u308a\u3001React\u306e\u958b\u767a\u304c\u3088\u308a\u7c21\u5358\u304b\u3064\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4ed6\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30b9\u30bf\u30c3\u30af\u3068\u7d71\u5408\u3067\u304d\u307e\u3059:React\u306f\u7279\u5b9a\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4f9d\u5b58\u3057\u306a\u3044\u305f\u3081\u3001Angular\u3001Vue.js\u306a\u3069\u306e\u4ed6\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30b9\u30bf\u30c3\u30af\u3068\u7c21\u5358\u306b\u7d71\u5408\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3055\u308c\u305f\u958b\u767a\u3001\u4eee\u60f3DOM\u3001\u9ad8\u6027\u80fd\u3001\u5b66\u7fd2\u3068\u4f7f\u7528\u306e\u5bb9\u6613\u3055\u3001\u591a\u6570\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30c4\u30fc\u30eb\u306e\u30b5\u30dd\u30fc\u30c8\u3001\u304a\u3088\u3073\u4ed6\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30b9\u30bf\u30c3\u30af\u3068\u306e\u7d71\u5408\u3068\u3044\u3046React\u306e\u5229\u70b9\u306b\u3088\u308a\u3001React\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u3067\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e1\u3064\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u30ce\u30fc\u30c9.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Node.js \u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067JavaScript\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308bChrome V8\u30a8\u30f3\u30b8\u30f3\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305fJavaScript\u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u3067\u3059\u3002 Node.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b:<a href=\"https:\/\/nodejs.org\/en\/%EF%BC%89%E4%B8%8B%E8%BD%BD%E9%80%82%E5%90%88%E6%82%A8%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E7%9A%84%E5%AE%89%E8%A3%85%E5%8C%85%E3%80%82%E5%9C%A8Windows%E4%B8%8A%EF%BC%8C%E6%82%A8%E5%8F%AF%E4%BB%A5%E9%80%89%E6%8B%A9msi%E5%AE%89%E8%A3%85%E5%8C%85%EF%BC%8C%E8%80%8C%E5%9C%A8Mac%E4%B8%8A%EF%BC%8C%E6%82%A8%E5%8F%AF%E4%BB%A5%E9%80%89%E6%8B%A9pkg%E5%AE%89%E8%A3%85%E5%8C%85%E3%80%82\">Node.js\u306e\u516c\u5f0fWeb\u30b5\u30a4\u30c8(https:\/\/nodejs.org\/en\/)\u304b\u3089\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002 Windows\u3067\u306fmsi\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u304c\u3001Mac\u3067\u306fpkg\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/a><\/li>\n\n\n\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5b9f\u884c\u3059\u308b:\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30a6\u30a3\u30b6\u30fc\u30c9\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002 Windows \u3067\u306f\u3001C:\\Program Files\\nodejs \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b Node.js \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002 Mac\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30b9\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u78ba\u8a8d\u3059\u308b:\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u958b\u304d\u307e\u3059(Windows\u3067\u306f\u3001cmd\u307e\u305f\u306fPowerShell\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 Mac\u3067\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059)\u3001node -v\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u30ce\u30fc\u30c9.js\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 \u30ce\u30fc\u30c9.js\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u304c\u8868\u793a\u3055\u308c\u308c\u3070\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u6210\u529f\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u74b0\u5883\u5909\u6570\u306e\u69cb\u6210 (\u30aa\u30d7\u30b7\u30e7\u30f3): Windows \u3067\u306f\u3001\u4efb\u610f\u306e\u5834\u6240\u3067 Node.js \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30ce\u30fc\u30c9.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30d1\u30b9\u3092\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u5909\u6570\u306e\u30d1\u30b9\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 Mac\u3067\u306f\u3001\u3053\u306e\u624b\u9806\u306f\u81ea\u52d5\u7684\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5168\u4f53\u3068\u3057\u3066\u3001Node .js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30a6\u30a3\u30b6\u30fc\u30c9\u306b\u5f93\u3046\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u7c21\u5358\u3067\u3059\u3002 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ce\u30fc\u30c9.js\u304c\u6b63\u5e38\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u74b0\u5883\u5909\u6570\u3092\u69cb\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>NPM\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>NPM(\u30ce\u30fc\u30c9\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc)\u306f\u3001\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3001\u66f4\u65b0\u3001\u304a\u3088\u3073\u7ba1\u7406\u306b\u5f79\u7acb\u3064.js\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3067\u3059\u3002 NPM\u3092\u4f7f\u7528\u3057\u3066\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u65b0\u3057\u3044 Node.js \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u521d\u671f\u5316\u3059\u308b: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001Node.js \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3001npm init \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u30ce\u30fc\u30c9.js\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001package.json \u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001npm install &lt;module-name&gt;\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059 (&lt;module-name&gt; \u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u540d\u524d\u3067\u3059)\u3002 \u305f\u3068\u3048\u3070\u3001\u30a8\u30af\u30b9\u30d7\u30ec\u30b9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5834\u5408\u306f\u3001npm install express\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8868\u793a: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067npm ls\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001npm update\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb: \u30b3\u30de\u30f3\u30c9 \u30e9\u30a4\u30f3 \u30c4\u30fc\u30eb\u3067\u3001npm uninstall &lt;module-name&gt; \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u6307\u5b9a\u3057\u305f\u30ce\u30fc\u30c9.js \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>NPM\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u516c\u5f0f\u306eNPM\u30ea\u30dd\u30b8\u30c8\u30ea(https:\/\/www.npmjs.com\/)\u304b\u3089\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044<a href=\"https:\/\/www.npmjs.com\/%EF%BC%89%E4%B8%AD%E4%B8%8B%E8%BD%BD%E6%A8%A1%E5%9D%97%E3%80%82%E5%A6%82%E6%9E%9C%E6%82%A8%E5%B8%8C%E6%9C%9B%E4%BD%BF%E7%94%A8%E5%85%B6%E4%BB%96NPM%E4%BB%93%E5%BA%93%EF%BC%8C%E5%8F%AF%E4%BB%A5%E4%BD%BF%E7%94%A8npm\">\u3002 \u5225\u306e NPM \u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001npm config \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u69cb\u6210\u3067\u304d\u307e\u3059<\/a>\u3002<\/p>\n\n\n\n<p>\u5168\u4f53\u3068\u3057\u3066\u3001NPM\u3092\u4f7f\u7528\u3057\u3066Node.js\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306e\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3001\u5bfe\u5fdc\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306b\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u3059\u3002 NPM\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u7ba1\u7406\u304c\u5927\u5e45\u306b\u7c21\u7d20\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u958b\u767a\u8005\u306f\u30ce\u30fc\u30c9.js\u306e\u958b\u767a\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>Yarn\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Yarn\u306f\u3001Facebook\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u30ce\u30fc\u30c9.js\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3067\u3042\u308a\u3001\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3001\u66f4\u65b0\u3001\u304a\u3088\u3073\u7ba1\u7406\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 NPM\u3068\u540c\u69d8\u306b\u3001Yarn\u306f\u30b7\u30f3\u30d7\u30eb\u3001\u9ad8\u901f\u3001\u5b89\u5168\u3067\u3042\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5b89\u5b9a\u6027\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u3002 Yarn\u3092\u4f7f\u7528\u3057\u3066\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Yarn\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb:<a href=\"https:\/\/classic.yarnpkg.com\/en\/docs\/install\/%EF%BC%89%E4%B8%8B%E8%BD%BD%E9%80%82%E5%90%88%E6%82%A8%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E7%9A%84%E5%AE%89%E8%A3%85%E5%8C%85%E3%80%82%E5%AE%89%E8%A3%85%E5%AE%8C%E6%88%90%E5%90%8E%EF%BC%8C%E6%82%A8%E5%8F%AF%E4%BB%A5%E5%9C%A8%E5%91%BD%E4%BB%A4%E8%A1%8C%E5%B7%A5%E5%85%B7%E4%B8%AD%E8%BE%93%E5%85%A5yarn\">Yarn\u306e\u516c\u5f0fWeb\u30b5\u30a4\u30c8(https:\/\/classic.yarnpkg.com\/en\/docs\/install\/)\u304b\u3089\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067yarn -v\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001<\/a>Yarn\u304c\u6b63\u5e38\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u65b0\u3057\u3044 Node.js \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u521d\u671f\u5316\u3059\u308b: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001Node.js \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3001yarn init \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u30ce\u30fc\u30c9.js\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001package.json \u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001yarn add &lt;module-name&gt;\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059 (&lt;module-name&gt; \u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u540d\u524d\u3067\u3059)\u3002 \u305f\u3068\u3048\u3070\u3001\u30a8\u30af\u30b9\u30d7\u30ec\u30b9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5834\u5408\u306f\u3001yarn add express\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8868\u793a: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001yarn list \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e Node.js \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001yarn upgrade \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e Node.js \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a2\u30f3\u30ed\u30fc\u30c9: \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001yarn remove &lt;module-name&gt;\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u6307\u5b9a\u3057\u305f\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>Yarn\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u516c\u5f0f\u306eNPM\u30ea\u30dd\u30b8\u30c8\u30ea(https:\/\/www.npmjs.com\/)\u304b\u3089\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044<a href=\"https:\/\/www.npmjs.com\/%EF%BC%89%E4%B8%AD%E4%B8%8B%E8%BD%BD%E6%A8%A1%E5%9D%97%E3%80%82%E5%A6%82%E6%9E%9C%E6%82%A8%E5%B8%8C%E6%9C%9B%E4%BD%BF%E7%94%A8%E5%85%B6%E4%BB%96NPM%E4%BB%93%E5%BA%93%EF%BC%8C%E5%8F%AF%E4%BB%A5%E5%9C%A8%E9%A1%B9%E7%9B%AE%E7%9B%AE%E5%BD%95%E4%B8%8B%E5%88%9B%E5%BB%BA%E4%B8%80%E4%B8%AA%E5%90%8D%E4%B8%BA.yarnrc%E7%9A%84%E6%96%87%E4%BB%B6%EF%BC%8C%E5%B9%B6%E6%B7%BB%E5%8A%A0%E5%A6%82%E4%B8%8B%E9%85%8D%E7%BD%AE%EF%BC%9A\">\u3002 \u4ed6\u306eNPM\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b.yarnrc\u3068\u3044\u3046\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u6b21\u306e\u69cb\u6210\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/a><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>registry \"https:\/\/registry.npm.taobao.org\"\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u69cb\u6210\u3067\u306f\u3001\u6dd8\u5b9d\u7db2 NPM \u30a4\u30e1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5168\u4f53\u3068\u3057\u3066\u3001Yarn\u3092\u4f7f\u7528\u3057\u3066Node.js\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306e\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306b\u5165\u529b\u3059\u308b\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u7c21\u5358\u3067\u3059\u3002 Yarn\u306f\u30ce\u30fc\u30c9.js\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u7ba1\u7406\u3092\u5927\u5e45\u306b\u7c21\u7d20\u5316\u3057\u3001\u958b\u767a\u8005\u304c\u30ce\u30fc\u30c9.js\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u958b\u767a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f5c\u6210\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React \u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e JavaScript \u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002 React \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ce\u30fc\u30c9.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb:React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u30ce\u30fc\u30c9.js\u3092\u4f7f\u7528\u3057\u3066\u69cb\u7bc9\u3055\u308c\u308b\u305f\u3081\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u524d\u306b\u30ce\u30fc\u30c9.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002&nbsp;<a href=\"https:\/\/nodejs.org\/%EF%BC%89%E4%B8%8B%E8%BD%BD%E9%80%82%E5%90%88%E6%82%A8%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E7%9A%84%E5%AE%89%E8%A3%85%E5%8C%85%E3%80%82%E5%AE%89%E8%A3%85%E5%AE%8C%E6%88%90%E5%90%8E%EF%BC%8C%E6%82%A8%E5%8F%AF%E4%BB%A5%E5%9C%A8%E5%91%BD%E4%BB%A4%E8%A1%8C%E5%B7%A5%E5%85%B7%E4%B8%AD%E8%BE%93%E5%85%A5node\">\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001Node .js\u306e\u516c\u5f0fWeb\u30b5\u30a4\u30c8(https:\/\/nodejs.org\/)\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30b3\u30de\u30f3\u30c9\u884c\u30c4\u30fc\u30eb\u3067 node -v \u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066<\/a>\u3001\u30ce\u30fc\u30c9 .js\u304c\u6b63\u5e38\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>React\u30a2\u30d7\u30ea\u306e\u4f5c\u6210\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b:React\u30a2\u30d7\u30ea\u306e\u4f5c\u6210\u306f\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3059\u3070\u3084\u304f\u4f5c\u6210\u3059\u308b\u305f\u3081\u306bFacebook\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3059\u3002 \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066 Create React \u30a2\u30d7\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">luaCopy code<code>npm install -g create-react-app\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b:\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u65b0\u3057\u3044React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">luaCopy code<code>create-react-app my-app\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001my-app \u306f\u3001\u4f5c\u6210\u3059\u308b React \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u540d\u524d\u3067\u3059\u3002 React\u30a2\u30d7\u30ea\u306e\u4f5c\u6210\u306f\u3001\u65b0\u3057\u3044React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u81ea\u52d5\u7684\u306b\u4f5c\u6210\u3057\u3001\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u81ea\u52d5\u7684\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002 \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305fReact\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>npm start\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\u958b\u767a\u30b5\u30fc\u30d0\u30fc\u3092\u8d77\u52d5\u3057\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u793a\u3059\u30d6\u30e9\u30a6\u30b6\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u81ea\u52d5\u7684\u306b\u958b\u304d\u307e\u3059\u3002 \u958b\u767a\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3067\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3078\u306e\u5909\u66f4\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u30d7\u30ec\u30d3\u30e5\u30fc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b:\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3001\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305fReact\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>npm run build\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001React \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u3059\u3079\u3066\u306e\u30b3\u30fc\u30c9\u3068\u30ea\u30bd\u30fc\u30b9\u3092\u3001\u672c\u756a\u74b0\u5883\u3078\u306e\u30c7\u30d7\u30ed\u30a4\u306b\u4f7f\u7528\u3067\u304d\u308b\u9759\u7684\u30d5\u30a1\u30a4\u30eb\u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5168\u4f53\u3068\u3057\u3066\u3001React\u30a2\u30d7\u30ea\u306e\u4f5c\u6210\u3092\u4f7f\u7528\u3057\u3066React\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3059\u308b\u306e\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306b\u9069\u5207\u306a\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3059\u308b\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u7c21\u5358\u3067\u3059\u3002 React\u30a2\u30d7\u30ea\u306e\u4f5c\u6210\u306b\u3088\u308a\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f5c\u6210\u3068\u7ba1\u7406\u304c\u5927\u5e45\u306b\u7c21\u7d20\u5316\u3055\u308c\u3001\u958b\u767a\u8005\u306fReact\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u958b\u767a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>JSX\u3068\u306f\u4f55\u304b\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>JSX\u306f\u3001React\u306e\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u69cb\u9020\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308bJavaScript\u69cb\u6587\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306fHTML\u306e\u3088\u3046\u306a\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u69cb\u7bc9\u3067\u304d\u3001JSX\u306fBabel\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066JavaScript\u30b3\u30fc\u30c9\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>JSX\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u958b\u767a\u8005\u306fHTML\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u3092JavaScript\u30b3\u30fc\u30c9\u306b\u57cb\u3081\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f5c\u6210\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u69cb\u9020\u3092\u3088\u308a\u76f4\u611f\u7684\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001JSX\u3092\u4f7f\u7528\u3057\u3066\u8a18\u8ff0\u3055\u308c\u305f\u5358\u7d14\u306aReact\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>import React from 'react';\n\nfunction App() {\n  return (\n    &lt;div&gt;\n      &lt;h1&gt;Hello, World!&lt;\/h1&gt;\n      &lt;p&gt;This is a simple React component.&lt;\/p&gt;\n    &lt;\/div&gt;\n  );\n}\n\nexport default App;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001JSX \u3092\u4f7f\u7528\u3057\u3066 App \u3068\u3044\u3046 React \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u3001H1 \u8981\u7d20\u3068 P \u8981\u7d20\u3092\u542b\u3080 div \u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 JSX\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u69cb\u9020\u3092\u3088\u308a\u76f4\u611f\u7684\u306b\u8a18\u8ff0\u3067\u304d\u3001\u30b3\u30fc\u30c9\u304c\u8aad\u307f\u3084\u3059\u304f\u3001\u4fdd\u5b88\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>JSX\u306f\u5fc5\u8981\u3067\u306f\u306a\u304f\u3001React\u306f\u7d14\u7c8b\u306aJavaScript\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u69cb\u9020\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u305f\u3060\u3057\u3001JSX\u3092\u4f7f\u7528\u3059\u308b\u3068\u30b3\u30fc\u30c9\u304c\u8aad\u307f\u3084\u3059\u304f\u3001\u4fdd\u5b88\u3057\u3084\u3059\u304f\u306a\u308b\u305f\u3081\u3001React\u3067\u306fJSX\u304c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u69cb\u9020\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u7684\u306a\u65b9\u6cd5\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>JSX\u69cb\u6587\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JSX\u69cb\u6587\u306f\u3001React\u306e\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u69cb\u9020\u3092\u8a18\u8ff0\u3059\u308bJavaScript\u306e\u69cb\u6587\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306fHTML\u306e\u3088\u3046\u306a\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>JSX\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u898f\u5247\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c71\u62ec\u5f27 (&lt;&gt;) \u3092\u4f7f\u7528\u3057\u3066\u3001HTML \u30de\u30fc\u30af\u30a2\u30c3\u30d7\u3092\u6298\u308a\u8fd4\u3057\u307e\u3059\u3002<code>&lt;div&gt;<\/code><code>&lt;p&gt;<\/code><\/li>\n\n\n\n<li>\u30bf\u30b0\u306f\u9589\u3058\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30bf\u30b0\u306f or \u306e\u5f62\u5f0f\u3067\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<code>&lt;input&gt;<\/code><code>&lt;input \/&gt;<\/code><code>&lt;input&gt;&lt;\/input&gt;<\/code><\/li>\n\n\n\n<li>\u305f\u3068\u3048\u3070\u3001\u30bf\u30b0\u306b\u5c5e\u6027\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<code>&lt;input type=\"text\" \/&gt;<\/code><\/li>\n\n\n\n<li>\u305f\u3068\u3048\u3070\u3001\u30bf\u30b0\u5185\u306b\u4ed6\u306e\u30bf\u30b0\u3092\u5165\u308c\u5b50\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<code>&lt;div&gt;&lt;p&gt;Hello, World!&lt;\/p&gt;&lt;\/div&gt;<\/code><\/li>\n\n\n\n<li>JavaScript \u5f0f\u306f\u3001\u305f\u3068\u3048\u3070\u4e2d\u62ec\u5f27 ({}) \u3067\u56f2\u3093\u3067\u30bf\u30b0\u5185\u306b\u30cd\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002<code>&lt;div&gt;{1 + 2}&lt;\/div&gt;<\/code><\/li>\n\n\n\n<li>\u5909\u6570\u3001\u95a2\u6570\u3001\u5f0f\u306a\u3069\u3092\u4f7f\u7528\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u30bf\u30b0\u3084\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u52d5\u7684\u306b\u751f\u6210\u3067\u304d\u307e\u3059\u3002<code>&lt;input type={inputType} onChange={handleChange} \/&gt;<\/code><\/li>\n<\/ol>\n\n\n\n<p>JSX\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306bJavaScript\u30b3\u30fc\u30c9\u306b\u5909\u63db\u3055\u308c\u3001\u4f8b\u3048\u3070\u4e0a\u8a18\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u6b21\u306e\u30b3\u30fc\u30c9\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>React.createElement(\"div\", null, \n  React.createElement(\"h1\", null, \"Hello, World!\"), \n  React.createElement(\"p\", null, \"This is a simple React component.\")\n);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e JavaScript \u30b3\u30fc\u30c9\u306f\u3001React \u8981\u7d20\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002 \u6700\u521d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u4f5c\u6210\u3059\u308b\u8981\u7d20\u306e\u578b\u30012 \u756a\u76ee\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u8981\u7d20\u306e\u5c5e\u6027\u30013 \u756a\u76ee\u4ee5\u964d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u8981\u7d20\u306e\u5b50\u8981\u7d20\u3067\u3059\u3002<code>React.createElement<\/code><\/p>\n\n\n\n<p>JSX\u306f\u5358\u306a\u308b\u69cb\u6587\u62e1\u5f35\u3067\u3042\u308a\u3001React\u306fJSX\u306b\u4f9d\u5b58\u3057\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u958b\u767a\u8005\u306fJavaScript\u3092\u76f4\u63a5\u4f7f\u7528\u3057\u3066React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001JSX\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u304c\u3088\u308a\u76f4\u611f\u7684\u3067\u8aad\u307f\u3084\u3059\u304f\u3001\u4fdd\u5b88\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>JSX\u3068HTML\u306e\u6bd4\u8f03\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>JSX\u306fHTML\u306e\u69cb\u6587\u3068\u975e\u5e38\u306b\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c5e\u6027\u540d\u306f\u3053\u3076\u304c\u3042\u308a\u307e\u3059:HTML\u3067\u306f\u3001\u5c5e\u6027\u540d\u306f\u901a\u5e38\u3001and\u306a\u3069\u306e\u5c0f\u6587\u5b57\u3068\u30c0\u30c3\u30b7\u30e5\u306e\u5f62\u5f0f\u3067\u3059\u304c\u3001JSX\u3067\u306f\u3001\u5c5e\u6027\u540d\u306fand\u306a\u3069\u306e\u30e9\u30af\u30c0\u540d\u3067\u3059\u3002 \u3053\u308c\u306f\u3001JavaScript \u3067\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306f\u901a\u5e38\u30e9\u30af\u30c0\u306e\u547d\u540d\u306e\u5f62\u3092\u3068\u308b\u305f\u3081\u3067\u3059\u3002<code>class<\/code><code>data-xxx<\/code><code>className<\/code><code>dataXxx<\/code><\/li>\n\n\n\n<li>\u30b9\u30bf\u30a4\u30eb\u5c5e\u6027\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5f62\u5f0f\u3092\u53d6\u308a\u307e\u3059: HTML \u3067\u306f\u3001\u30b9\u30bf\u30a4\u30eb\u306f\u901a\u5e38\u3001\u5c5e\u6027\u5024\u3068\u3057\u3066\u6587\u5b57\u5217\u306e\u5f62\u5f0f\u3092\u76f4\u63a5\u53d6\u308a\u307e\u3059\u3002 \u4e00\u65b9\u3001JSX\u3067\u306f\u3001\u30b9\u30bf\u30a4\u30eb\u5c5e\u6027\u306f\u3001\u305f\u3068\u3048\u3070JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5f62\u5f0f\u3092\u53d6\u308a\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304cJavaScript\u3067\u975e\u5e38\u306b\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30bf\u578b\u3067\u3042\u308b\u305f\u3081\u3067\u3059\u3002<code>&lt;div style=\"color: red;\"&gt;Hello, World!&lt;\/div&gt;<\/code><code>&lt;div style={{ color: 'red' }}&gt;Hello, World!&lt;\/div&gt;<\/code><\/li>\n\n\n\n<li>\u4e2d\u62ec\u5f27\u3092\u4f7f\u7528\u3057\u3066 JavaScript \u5f0f\u3092\u8868\u3059: JSX \u3067\u306f\u3001\u305f\u3068\u3048\u3070\u3001\u4e2d\u62ec\u5f27 ({}) \u3092\u4f7f\u7528\u3057\u3066 JavaScript \u5f0f\u3092\u57cb\u3081\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 HTML \u3067\u306f\u3001JavaScript \u5f0f\u306e\u57cb\u3081\u8fbc\u307f\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<code>&lt;div&gt;{1 + 2}&lt;\/div&gt;<\/code><\/li>\n\n\n\n<li>\u8981\u7d20\u540d\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u540d\u306f\u5927\u6587\u5b57\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059:JSX\u3067\u306f\u3001\u8981\u7d20\u540d\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u540d\u306fand\u306a\u3069\u306e\u5927\u6587\u5b57\u3067\u59cb\u307e\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 HTML \u3067\u306f\u3001\u8981\u7d20\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u540d\u524d\u306f\u3001 \u3084 \u306a\u3069\u306e\u5c0f\u6587\u5b57\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<code>&lt;div&gt;<\/code><code>&lt;Button&gt;<\/code><code>&lt;div&gt;<\/code><code>&lt;button&gt;<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u5168\u4f53\u3068\u3057\u3066\u3001JSX\u69cb\u6587\u306fHTML\u3068\u975e\u5e38\u306b\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001JavaScript\u306e\u8a00\u8a9e\u6a5f\u80fd\u306e\u4e00\u90e8\u3092\u4f7f\u7528\u3057\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u3088\u308a\u76f4\u611f\u7684\u3067\u8aad\u307f\u3084\u3059\u304f\u3001\u4fdd\u5b88\u3057\u3084\u3059\u3044\u69cb\u6587\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001React\u3067\u306e\u4f7f\u7528\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u306f\u4f55\u304b\u3001\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306fUI\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u81ea\u5df1\u5b8c\u7d50\u578b\u306e\u30e6\u30cb\u30c3\u30c8\u3067\u3042\u308a\u3001UI\u8981\u7d20\u3068\u305d\u306e\u52d5\u4f5c\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u304a\u3088\u3073\u62bd\u8c61\u5316\u3059\u308b\u95a2\u6570\u307e\u305f\u306f\u30af\u30e9\u30b9\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u4e00\u822c\u306b\u3001\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e2\u3064\u306e\u30bf\u30a4\u30d7\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001props \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001React \u8981\u7d20\u307e\u305f\u306f React \u8981\u7d20\u306e\u30bb\u30c3\u30c8\u3092\u8fd4\u3059\u6700\u3082\u5358\u7d14\u306a\u5f62\u5f0f\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>function MyComponent(props) {\n  return &lt;div&gt;Hello, {props.name}!&lt;\/div&gt;;\n}\n<\/code><\/pre>\n\n\n\n<p>\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001React.Component \u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001render() \u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u72b6\u614b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u901a\u3058\u3066\u5185\u90e8\u72b6\u614b\u3092\u7ba1\u7406\u3067\u304d\u308b ES6 \u30af\u30e9\u30b9\u30d9\u30fc\u30b9\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>class MyComponent extends React.Component {\n  constructor(props) {\n    super(props);\n    this.state = { count: 0 };\n  }\n\n  handleClick() {\n    this.setState({ count: this.state.count + 1 });\n  }\n\n  render() {\n    return (\n      &lt;div&gt;\n        &lt;p&gt;You clicked {this.state.count} times.&lt;\/p&gt;\n        &lt;button onClick={() =&gt; this.handleClick()}&gt;Click me&lt;\/button&gt;\n      &lt;\/div&gt;\n    );\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>React\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u5c0f\u9053\u5177\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u72b6\u614b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u304a\u3088\u3073\u7ba1\u7406\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u4ecb\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3068\u72b6\u614b\u5909\u66f4\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5165\u308c\u5b50\u306b\u3057\u3066\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u3088\u308a\u8907\u96d1\u3067\u67d4\u8edf\u306a UI \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u512a\u308c\u305f\u30ab\u30d7\u30bb\u30eb\u5316\u3068\u518d\u5229\u7528\u6027\u3092\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306fReact\u958b\u767a\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u7a2e\u985e\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u4e00\u822c\u7684\u306b\u6a5f\u80fd\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e2\u3064\u306e\u30bf\u30a4\u30d7\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6a5f\u80fd\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<p>\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6700\u3082\u5358\u7d14\u306a\u5f62\u5f0f\u3067\u3042\u308a\u3001\u5f15\u6570\u3068\u3057\u3066\u5c0f\u9053\u5177\u3092\u53d7\u3051\u53d6\u308a\u3001React\u8981\u7d20\u3092\u8fd4\u3059\u5358\u306a\u308bJavaScript\u95a2\u6570\u3067\u3059\u3002 \u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u3084\u753b\u50cf\u306a\u3069\u306e\u8868\u793a\u306a\u3069\u306e\u5358\u7d14\u306a UI \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u5185\u90e8\u72b6\u614b\u3082\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30e1\u30bd\u30c3\u30c9\u3082\u306a\u3044\u305f\u3081\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u6bd4\u8f03\u7684\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>function Hello(props) {\n  return &lt;div&gt;Hello, {props.name}!&lt;\/div&gt;;\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<p>\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001React.Component \u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001render() \u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u72b6\u614b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u901a\u3058\u3066\u5185\u90e8\u72b6\u614b\u3092\u7ba1\u7406\u3067\u304d\u308b ES6 \u30af\u30e9\u30b9\u30d9\u30fc\u30b9\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002 \u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u3001\u30e2\u30fc\u30c0\u30eb\u30dc\u30c3\u30af\u30b9\u306a\u3069\u306e\u8907\u96d1\u306a\u76f8\u4e92\u4f5c\u7528\u30ed\u30b8\u30c3\u30af\u3092\u6301\u3064UI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u72ec\u81ea\u306e\u5185\u90e8\u72b6\u614b\u304c\u3042\u308a\u3001setState() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u66f4\u65b0\u3067\u304d\u3001\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30e1\u30bd\u30c3\u30c9\u3067\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30de\u30a6\u30f3\u30c8\u3001\u66f4\u65b0\u3001\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u306a\u3069\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>class Counter extends React.Component {\n  constructor(props) {\n    super(props);\n    this.state = { count: 0 };\n  }\n\n  handleClick() {\n    this.setState({ count: this.state.count + 1 });\n  }\n\n  render() {\n    return (\n      &lt;div&gt;\n        &lt;p&gt;You clicked {this.state.count} times.&lt;\/p&gt;\n        &lt;button onClick={() =&gt; this.handleClick()}&gt;Click me&lt;\/button&gt;\n      &lt;\/div&gt;\n    );\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u30892\u3064\u306e\u57fa\u672c\u7684\u306a\u30bf\u30a4\u30d7\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u52a0\u3048\u3066\u3001React\u306f\u3001\u7d14\u7c8b\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3084\u9ad8\u6b21\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306a\u3069\u3001\u3059\u3079\u3066\u7279\u5225\u306a\u7528\u9014\u3068\u7279\u6027\u3092\u6301\u3064\u3044\u304f\u3064\u304b\u306e\u7279\u5225\u306a\u30bf\u30a4\u30d7\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 \u7d14\u7c8b\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u4e0d\u5fc5\u8981\u306aUI\u306e\u518d\u63cf\u753b\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306bshouldComponentUpdate()\u30e1\u30bd\u30c3\u30c9\u3067\u3044\u304f\u3064\u304b\u306e\u6d45\u3044\u6bd4\u8f03\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002 \u9ad8\u6b21\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u30ed\u30b0\u8a18\u9332\u3084\u30a2\u30af\u30bb\u30b9\u8a31\u53ef\u5236\u5fa1\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u6a5f\u80fd\u3092\u5b9f\u88c5\u3067\u304d\u308b\u65b0\u3057\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8fd4\u3059\u30ed\u30b8\u30c3\u30af\u3092\u518d\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f5c\u6210\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React \u3067\u306f\u3001\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e 2 \u3064\u306e\u57fa\u672c\u7684\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f5c\u6210\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6a5f\u80fd\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<p>\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6700\u3082\u5358\u7d14\u306a\u5f62\u5f0f\u3067\u3042\u308a\u3001\u5f15\u6570\u3068\u3057\u3066\u5c0f\u9053\u5177\u3092\u53d7\u3051\u53d6\u308a\u3001React\u8981\u7d20\u3092\u8fd4\u3059\u5358\u306a\u308bJavaScript\u95a2\u6570\u3067\u3059\u3002 \u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f5c\u6210\u306f\u3001\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3001\u95a2\u6570\u5185\u306eReact\u8981\u7d20\u3092\u8fd4\u3059\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u7c21\u5358\u3067\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>function Hello(props) {\n  return &lt;div&gt;Hello, {props.name}!&lt;\/div&gt;;\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001props \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001props \u5185\u306e\u30c7\u30fc\u30bf\u3092\u542b\u3080 React \u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<p>\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001React.Component \u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001render() \u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u72b6\u614b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u901a\u3058\u3066\u5185\u90e8\u72b6\u614b\u3092\u7ba1\u7406\u3067\u304d\u308b ES6 \u30af\u30e9\u30b9\u30d9\u30fc\u30b9\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002 \u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f5c\u6210\u306f\u3001React.Component \u304b\u3089\u7d99\u627f\u3059\u308b\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3001render() \u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u7c21\u5358\u3067\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>class Counter extends React.Component {\n  constructor(props) {\n    super(props);\n    this.state = { count: 0 };\n  }\n\n  handleClick() {\n    this.setState({ count: this.state.count + 1 });\n  }\n\n  render() {\n    return (\n      &lt;div&gt;\n        &lt;p&gt;You clicked {this.state.count} times.&lt;\/p&gt;\n        &lt;button onClick={() =&gt; this.handleClick()}&gt;Click me&lt;\/button&gt;\n      &lt;\/div&gt;\n    );\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30ab\u30a6\u30f3\u30c8\u30b9\u30c6\u30fc\u30bf\u30b9\u5909\u6570\u3092\u7dad\u6301\u3057\u3001handleClick() \u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002 render() \u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u30ab\u30a6\u30f3\u30c8\u30c7\u30fc\u30bf\u3092\u542b\u3080 React \u8981\u7d20\u3092\u8fd4\u3057\u3001\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u30dc\u30bf\u30f3\u306b\u30d0\u30a4\u30f3\u30c9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001\u4ed6\u306e\u5834\u6240\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f7f\u7528\u306f HTML \u30bf\u30b0\u306e\u4f7f\u7528\u3068\u4f3c\u3066\u304a\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u540d\u3092\u30bf\u30b0\u540d\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5fc5\u8981\u306a\u5c5e\u6027\u3092\u30bf\u30b0\u5c5e\u6027\u3068\u3057\u3066\u6e21\u3059\u3060\u3051\u3067\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>ReactDOM.render(\n  &lt;div&gt;\n    &lt;Hello name=\"Alice\" \/&gt;\n    &lt;Hello name=\"Bob\" \/&gt;\n    &lt;Counter \/&gt;\n  &lt;\/div&gt;,\n  document.getElementById(\"root\")\n);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u30013\u3064\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u6301\u3064React\u8981\u7d20\u306e\u30c4\u30ea\u30fc\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3089\u3092\u30da\u30fc\u30b8\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002 \u305d\u306e\u4e2d\u3067\u30012 \u3064\u306e Hello \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068 Counter \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3001\u7570\u306a\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6e21\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React \u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3068\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u4f5c\u6210\u3055\u308c\u3066\u304b\u3089\u7834\u68c4\u3055\u308c\u308b\u307e\u3067\u306e\u4e00\u9023\u306e\u6bb5\u968e\u3092\u6307\u3057\u307e\u3059\u3002 \u5404\u30b9\u30c6\u30fc\u30b8\u306b\u306f\u3001\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u5bfe\u5fdc\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u3001\u958b\u767a\u8005\u306f\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d3\u30b8\u30cd\u30b9 \u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306f\u3001\u30de\u30a6\u30f3\u30c8\u3001\u66f4\u65b0\u3001\u30a2\u30f3\u30de\u30a6\u30f3\u30c8\u306e3\u3064\u306e\u30d5\u30a7\u30fc\u30ba\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30de\u30a6\u30f3\u30c8\u30d5\u30a7\u30fc\u30ba<\/li>\n<\/ol>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u6700\u521d\u306b\u4f5c\u6210\u3055\u308c\u3001DOM \u306b\u8ffd\u52a0\u3055\u308c\u308b\u3068\u3001\u6b21\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u9806\u756a\u306b\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>constructor(props): \u72b6\u614b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30bd\u30c3\u30c9\u3068\u30d0\u30a4\u30f3\u30c9\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30bd\u30c3\u30c9\u3092\u521d\u671f\u5316\u3067\u304d\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3002<\/li>\n\n\n\n<li>static getDerivedStateFromProps(props, state): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30de\u30a6\u30f3\u30c8\u3055\u308c\u308b\u524d\u306b\u547c\u3073\u51fa\u3055\u308c\u3001\u305d\u306e\u623b\u308a\u5024\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306b\u8a2d\u5b9a\u3055\u308c\u3001\u901a\u5e38\u306f\u5c0f\u9053\u5177\u304b\u3089\u72b6\u614b\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>render(): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3001\u53cd\u5fdc\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>componentDidMount(): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3001\u3053\u3053\u3067 DOM \u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u66f4\u65b0\u30d5\u30a7\u30fc\u30ba<\/li>\n<\/ol>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e props \u307e\u305f\u306f\u72b6\u614b\u304c\u5909\u5316\u3059\u308b\u3068\u3001\u6b21\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u9806\u756a\u306b\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>static getDerivedStateFromProps(props, state): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30de\u30a6\u30f3\u30c8\u3055\u308c\u305f\u5f8c\u3001\u66f4\u65b0\u3055\u308c\u308b\u524d\u306b\u547c\u3073\u51fa\u3055\u308c\u3001\u305d\u306e\u623b\u308a\u5024\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306b\u8a2d\u5b9a\u3055\u308c\u3001\u901a\u5e38\u306f\u5c0f\u9053\u5177\u304b\u3089\u72b6\u614b\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>shouldComponentUpdate(nextProps, nextState): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u30d6\u30fc\u30eb\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002 \u3053\u3053\u3067\u306f\u3001\u5c0f\u9053\u5177\u3084\u72b6\u614b\u306e\u5909\u5316\u306b\u5fdc\u3058\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>render(): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3001\u53cd\u5fdc\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>getSnapshotBeforeUpdate(prevProps, prevState): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u66f4\u65b0\u524d\u306b\u547c\u3073\u51fa\u3055\u308c\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u66f4\u65b0\u524d\u306b\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u901a\u5e38\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u66f4\u65b0\u5f8c\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u306a\u3069\u306e\u72b6\u614b\u3092\u5fa9\u5143\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>componentDidUpdate(prevProps, prevState, snapshot): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u66f4\u65b0\u3055\u308c\u305f\u5f8c\u3001\u3053\u3053\u3067 DOM \u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8981\u6c42\u3092\u9001\u4fe1\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d5\u30a7\u30fc\u30ba<\/li>\n<\/ol>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c DOM \u304b\u3089\u524a\u9664\u3055\u308c\u308b\u3068\u3001\u6b21\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>componentWillUnmount(): \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3088\u3046\u3068\u3057\u3066\u304a\u308a\u3001\u30bf\u30a4\u30de\u30fc\u306e\u30af\u30ea\u30a2\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8981\u6c42\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\u306a\u3069\u3001\u3053\u3053\u3067\u3044\u304f\u3064\u304b\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u64cd\u4f5c\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u969b\u306e\u958b\u767a\u3067\u306f\u3001\u958b\u767a\u8005\u306f\u7279\u5b9a\u306e\u30d3\u30b8\u30cd\u30b9 \u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3066\u3001\u72ec\u81ea\u306e\u30d3\u30b8\u30cd\u30b9 \u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u540c\u6642\u306b\u3001React \u306f getSnapshotBeforeUpdate() \u3084 getDerivedStateFromError() \u306a\u3069\u3001\u3088\u308a\u8907\u96d1\u306a\u30d3\u30b8\u30cd\u30b9\u30b7\u30ca\u30ea\u30aa\u3092\u3088\u308a\u9069\u5207\u306b\u51e6\u7406\u3067\u304d\u308b\u9ad8\u5ea6\u306a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30e1\u30bd\u30c3\u30c9\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u3068\u72b6\u614b\u3092\u8a18\u8ff0\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e2\u3064\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002 \u305d\u308c\u3089\u306f\u3059\u3079\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c7\u30fc\u30bf\u3092\u542b\u3093\u3067\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3089\u306e\u610f\u5473\u3068\u4f7f\u7528\u6cd5\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c0f\u9053\u5177<\/li>\n<\/ol>\n\n\n\n<p>props \u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5165\u529b\u30c7\u30fc\u30bf\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3055\u308c\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002 \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u914d\u5217\u306a\u3069\u3001\u4efb\u610f\u306e\u30bf\u30a4\u30d7\u306e\u30c7\u30fc\u30bf\u3092\u5c0f\u9053\u5177\u3092\u4ecb\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306f\u3001props \u5185\u306e\u30c7\u30fc\u30bf\u306b\u306f this.props \u3092\u4ecb\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f props \u306e\u5024\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001props \u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3067\u3042\u308b\u305f\u3081\u3001props \u306e\u5024\u3092\u76f4\u63a5\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002 props\u306e\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4ecb\u3057\u3066\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u72b6\u614b<\/li>\n<\/ol>\n\n\n\n<p>\u72b6\u614b\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u3067\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u30c7\u30fc\u30bf\u3067\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u5909\u5316\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u5404\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u72ec\u81ea\u306e\u72b6\u614b\u304c\u3042\u308a\u3001React \u306f\u305d\u306e\u72b6\u614b\u304c\u5909\u5316\u3059\u308b\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u81ea\u52d5\u7684\u306b\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u3067\u306f\u3001this.state \u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306f\u3001this.setState() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 this.setState() \u30e1\u30bd\u30c3\u30c9\u306f\u3001\u53e4\u3044\u72b6\u614b\u3068\u65b0\u3057\u3044\u72b6\u614b\u3092\u30de\u30fc\u30b8\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002 setState() \u30e1\u30bd\u30c3\u30c9\u306f\u975e\u540c\u671f\u3067\u3042\u308b\u305f\u3081\u3001setState() \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u76f4\u5f8c\u306b this.state \u306e\u5024\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u305d\u3046\u3057\u306a\u3044\u3068\u8aa4\u3063\u305f\u7d50\u679c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306f\u4e0d\u5909\u3067\u3042\u308a\u3001\u305d\u308c\u3089\u306e\u5024\u304c\u6c7a\u5b9a\u3055\u308c\u308b\u3068\u3001\u305d\u308c\u3089\u3092\u76f4\u63a5\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001setState() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30c8\u30ea\u30ac\u30fc\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=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u5c0f\u9053\u5177\u3068\u5dde\u306e\u9055\u3044\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306f\u3069\u3061\u3089\u3082\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u3067\u3059\u304c\u3001\u305d\u308c\u3089\u306e\u610f\u5473\u3068\u4f7f\u7528\u6cd5\u306f\u7570\u306a\u308a\u3001\u4e3b\u306a\u9055\u3044\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b9a\u7fa9<\/li>\n<\/ol>\n\n\n\n<p>props \u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5165\u529b\u30c7\u30fc\u30bf\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3055\u308c\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002 prop \u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3067\u3042\u308a\u3001\u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u3067\u76f4\u63a5\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002 \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u72ec\u81ea\u306e\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u65b0\u3057\u3044\u5c0f\u9053\u5177\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u72b6\u614b\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u72b6\u614b\u3067\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u5909\u5316\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u5404\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u72ec\u81ea\u306e\u72b6\u614b\u304c\u3042\u308a\u3001React \u306f\u305d\u306e\u72b6\u614b\u304c\u5909\u5316\u3059\u308b\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u81ea\u52d5\u7684\u306b\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9<\/li>\n<\/ol>\n\n\n\n<p>props \u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3055\u308c\u307e\u3059\u3002 \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u914d\u5217\u306a\u3069\u3001\u4efb\u610f\u306e\u30bf\u30a4\u30d7\u306e\u30c7\u30fc\u30bf\u3092\u5c0f\u9053\u5177\u3092\u4ecb\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u72b6\u614b\u30c7\u30fc\u30bf\u306e\u30bd\u30fc\u30b9\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5185\u90e8\u306b\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u3067\u5b9a\u7fa9\u3055\u308c\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u5909\u66f4\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306b\u306f\u3001this.state \u3092\u4f7f\u7528\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u53ef\u5909<\/li>\n<\/ol>\n\n\n\n<p>prop \u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3067\u3042\u308a\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u3067\u76f4\u63a5\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u305a\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u6e21\u3055\u308c\u308b\u306e\u306f\u65b0\u3057\u3044 props \u306e\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u72b6\u614b\u306f\u5909\u66f4\u53ef\u80fd\u3067\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306f setState() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 setState() \u30e1\u30bd\u30c3\u30c9\u306f\u975e\u540c\u671f\u3067\u3042\u308b\u305f\u3081\u3001setState() \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u76f4\u5f8c\u306b this.state \u306e\u5024\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u305d\u3046\u3057\u306a\u3044\u3068\u8aa4\u3063\u305f\u7d50\u679c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5f71\u97ff\u7bc4\u56f2<\/li>\n<\/ol>\n\n\n\n<p>props \u306e\u30b9\u30b3\u30fc\u30d7\u306f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3055\u308c\u308b\u3053\u3068\u3067\u3042\u308a\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f props \u3092\u5909\u66f4\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u72b6\u614b\u306e\u30b9\u30b3\u30fc\u30d7\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306b\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u81ea\u4f53\u306e\u307f\u304c\u72b6\u614b\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u4f7f\u3046<\/li>\n<\/ol>\n\n\n\n<p>props\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u4f7f\u7528\u3055\u308c\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u3092\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u518d\u5229\u7528\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u72b6\u614b\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u72b6\u614b\u7ba1\u7406\u306b\u4f7f\u7528\u3055\u308c\u3001\u3055\u307e\u3056\u307e\u306a\u72b6\u614b\u306b\u5fdc\u3058\u3066\u3055\u307e\u3056\u307e\u306aUI\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u76f8\u4e92\u4f5c\u7528\u52b9\u679c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u306b\u3001\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306fReact\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u72b6\u614b\u7ba1\u7406\u306b\u305d\u308c\u305e\u308c\u4f7f\u7528\u3055\u308c\u3001\u7279\u6027\u3068\u7528\u9014\u304c\u7570\u306a\u308a\u3001\u7279\u5b9a\u306e\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9078\u629e\u3057\u3066\u4f7f\u7528\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=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u5c0f\u9053\u5177\u3068\u5dde\u306e\u6700\u65b0\u60c5\u5831\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306e\u4e21\u65b9\u3092\u66f4\u65b0\u3067\u304d\u307e\u3059\u304c\u3001\u66f4\u65b0\u306e\u65b9\u6cd5\u3068\u52b9\u679c\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c0f\u9053\u5177\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/li>\n<\/ol>\n\n\n\n<p>prop \u306f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3055\u308c\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3042\u308a\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u72ec\u81ea\u306e\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u65b0\u3057\u3044 prop \u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u5c0f\u9053\u5177\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u3001React\u306f\u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3066\u3001\u6700\u65b0\u306e\u5c0f\u9053\u5177\u306e\u5024\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>props \u306e\u66f4\u65b0\u306f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f props \u3092\u76f4\u63a5\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306e\u5f62\u5f0f\u3067\u306e\u307f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u66f4\u65b0\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u66f4\u65b0\u3092\u53d7\u3051\u53d6\u3063\u305f\u5f8c\u3001\u72ec\u81ea\u306e\u72b6\u614b\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u65b0\u3057\u3044 props \u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u72b6\u614b\u306e\u66f4\u65b0<\/li>\n<\/ol>\n\n\n\n<p>state \u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u72b6\u614b\u3067\u3042\u308a\u3001setState() \u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 \u72b6\u614b\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u3001React \u306f\u81ea\u52d5\u7684\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3066\u3001\u6700\u65b0\u306e\u72b6\u614b\u5024\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>setState() \u30e1\u30bd\u30c3\u30c9\u306f\u975e\u540c\u671f\u3067\u3042\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u307e\u305f\u306f\u95a2\u6570\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3059\u3068\u3001React\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u73fe\u5728\u306e\u72b6\u614b\u306b\u30de\u30fc\u30b8\u3057\u3001\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002 \u95a2\u6570\u304c\u6e21\u3055\u308c\u308b\u3068\u3001\u95a2\u6570\u306f\u73fe\u5728\u306e\u72b6\u614b\u3092\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u65b0\u3057\u3044\u72b6\u614b\u3092\u8fd4\u3057\u3001React\u306f\u65b0\u3057\u3044\u72b6\u614b\u3092\u73fe\u5728\u306e\u72b6\u614b\u3068\u30de\u30fc\u30b8\u3057\u3066\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>setState() \u30e1\u30bd\u30c3\u30c9\u306f\u975e\u540c\u671f\u3067\u3042\u308b\u305f\u3081\u3001setState() \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u76f4\u5f8c\u306b this.state \u306e\u5024\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u305d\u3046\u3057\u306a\u3044\u3068\u8aa4\u3063\u305f\u7d50\u679c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 setState() \u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u884c\u76f4\u5f8c\u306b\u72b6\u614b\u306e\u5024\u3092\u8aad\u307f\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001setState() \u30e1\u30bd\u30c3\u30c9\u3067\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u6e21\u3057\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u72b6\u614b\u306e\u5024\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u306b\u3001\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306f\u66f4\u65b0\u3067\u304d\u307e\u3059\u304c\u3001\u66f4\u65b0\u306e\u65b9\u6cd5\u3068\u52b9\u679c\u306f\u7570\u306a\u308a\u3001\u7279\u5b9a\u306e\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u305d\u308c\u3089\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u5c0f\u9053\u5177\u3068\u72b6\u614b\u3092\u66f4\u65b0\u3059\u308b\u3068\u304d\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6b63\u78ba\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u66f4\u65b0\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u65b9\u6cd5\u306b\u6ce8\u610f\u3092\u6255\u3046\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=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u6982\u8981\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u306eDOM\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u306f\u7570\u306a\u308a\u3001\u4e3b\u306b\u6b21\u306e\u5074\u9762\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u306e\u30d0\u30a4\u30f3\u30c9\u65b9\u6cd5<\/li>\n<\/ol>\n\n\n\n<p>React \u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u306e DOM \u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u3088\u3046\u306a\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3067\u306f\u306a\u304f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 React\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5f62\u5f0f\u3067\u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u3001\u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u305f\u3068\u304d\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30bd\u30c3\u30c9<\/li>\n<\/ol>\n\n\n\n<p>React \u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30bd\u30c3\u30c9\u3068\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b React \u304c\u5b9f\u884c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u3057\u307e\u3059\u3002 \u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u3001\u307e\u305f\u306f arrow \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/li>\n<\/ol>\n\n\n\n<p>React \u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b React \u5408\u6210\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002 \u3053\u308c\u306b\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u3059\u3079\u3066\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3001\u304a\u3088\u3073\u3044\u304f\u3064\u304b\u306e\u8ffd\u52a0\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u30a4\u30d9\u30f3\u30c8 \u30c7\u30ea\u30b2\u30fc\u30c8<\/li>\n<\/ol>\n\n\n\n<p>React\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u6700\u9069\u5316\u3059\u308b\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002 \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30bd\u30c3\u30c9\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u59d4\u4efb\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u6570\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u30a4\u30d9\u30f3\u30c8\u30d0\u30d6\u30eb\u3092\u907f\u3051\u308b<\/li>\n<\/ol>\n\n\n\n<p>React\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306estopPropagation()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u30d0\u30d6\u30ea\u30f3\u30b0\u3092\u505c\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u306b\u3001React\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u65b9\u6cd5\u3092\u63a1\u7528\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30bd\u30c3\u30c9\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308bReact\u5408\u6210\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u4e00\u822c\u7684\u306a\u6700\u9069\u5316\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u30d0\u30d6\u30ea\u30f3\u30b0\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306bstopPropagation()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 React\u306e\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u7cbe\u901a\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u9ad8\u54c1\u8cea\u306eReact\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React \u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u5b9a\u7fa9\u3055\u308c\u305f JavaScript \u95a2\u6570\u3067\u3059\u3002 \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u306f\u901a\u5e38\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5c0f\u9053\u5177\u3068\u3057\u3066\u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>React\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306b\u306f\u6b21\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u30e9\u30af\u30c0\u306e\u547d\u540d\u6cd5\u3092\u4f7f\u7528\u3057\u307e\u3059<\/li>\n<\/ol>\n\n\n\n<p>React\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u306e\u540d\u524d\u306f\u30e9\u30af\u30c0\u306e\u547d\u540d\u6cd5\u3092\u53d6\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001onClick\u3001onBlur\u3001onSubmit \u306a\u3069\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u306f\u3001\u5408\u6210\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u307e\u3059<\/li>\n<\/ol>\n\n\n\n<p>React\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u306e\u6700\u521d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u5408\u6210\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001React\u306b\u3088\u3063\u3066\u30ab\u30d7\u30bb\u30eb\u5316\u3055\u308c\u305f\u30af\u30ed\u30b9\u30d6\u30e9\u30a6\u30b6\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u306f\u4f7f\u7528\u3067\u304d\u306a\u3044\u3044\u304f\u3064\u304b\u306e\u6a5f\u80fd\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u5185\u306e\u3053\u308c\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6307\u3057\u307e\u3059<\/li>\n<\/ol>\n\n\n\n<p>React \u3067\u306f\u3001\u3053\u308c\u306f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u5185\u3067\u73fe\u5728\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53c2\u7167\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u77e2\u5370\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u5185\u306e\u3053\u308c\u304c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6307\u3059\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u3001\u77e2\u5370\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u5b9a\u7fa9\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>class MyComponent extends React.Component {\n  handleClick = (event) =&gt; {\n    console.log(this.props.text);\n  }\n  \n  render() {\n    return &lt;button onClick={this.handleClick}&gt;Click me&lt;\/button&gt;;\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001handleClick \u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u5b9a\u7fa9\u3057\u3001\u30dc\u30bf\u30f3\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e onClick \u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u6e21\u3057\u307e\u3059\u3002 \u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u308b\u3068\u3001handleClick \u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u3001this.props.text \u306e\u5024\u3092\u51fa\u529b\u3057\u307e\u3059\u3002 handleClick \u95a2\u6570\u306f\u77e2\u5370\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u3001\u95a2\u6570\u5185\u306e\u3053\u308c\u306f\u73fe\u5728\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u3053\u308c\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308bReact\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u81ea\u52d5\u7684\u306b\u30d0\u30a4\u30f3\u30c9\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u624b\u52d5\u3067\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u3001\u3053\u308c\u304c\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u4f7f\u7528\u3055\u308c\u308b\u3068\u3001\u672a\u5b9a\u7fa9\u3092\u6307\u3057\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u3053\u308c\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u30d0\u30a4\u30f3\u30c9\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u306f\u3001bind \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3053\u308c\u3092\u30d0\u30a4\u30f3\u30c9\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u3053\u308c\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5404\u30e1\u30bd\u30c3\u30c9\u3067bind\u30e1\u30bd\u30c3\u30c9\u3092\u4e00\u5ea6\u547c\u3073\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u3088\u308a\u9762\u5012\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>class MyComponent extends React.Component {\n  constructor(props) {\n    super(props);\n    this.handleClick = this.handleClick.bind(this);\n  }\n  \n  handleClick() {\n    console.log(this.props.text);\n  }\n  \n  render() {\n    return &lt;button onClick={this.handleClick}&gt;Click me&lt;\/button&gt;;\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067 bind \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 handleClick \u30e1\u30bd\u30c3\u30c9\u306e\u3053\u308c\u3092\u30d0\u30a4\u30f3\u30c9\u3057\u3001handleClick \u30e1\u30bd\u30c3\u30c9\u5185\u3067 this.props \u306b\u6b63\u3057\u304f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u77e2\u5370\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u5225\u306e\u65b9\u6cd5\u306f\u3001\u77e2\u5370\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3059\u3002 arrow\u95a2\u6570\u306f\u3053\u308c\u3092\u73fe\u5728\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u81ea\u52d5\u7684\u306b\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u305f\u3081\u3001\u624b\u52d5\u3067\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>class MyComponent extends React.Component {\n  handleClick = () =&gt; {\n    console.log(this.props.text);\n  }\n  \n  render() {\n    return &lt;button onClick={this.handleClick}&gt;Click me&lt;\/button&gt;;\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u77e2\u5370\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066 handleClick \u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u3001\u30e1\u30bd\u30c3\u30c9\u5185\u3067 this.props \u306b\u6b63\u3057\u304f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u95a2\u6570.\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7.\u30d0\u30a4\u30f3\u30c9\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>Function.prototype.bind \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u308c\u3092\u624b\u52d5\u3067\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3067\u3053\u308c\u3092\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u306e\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u4efb\u610f\u306e\u5834\u6240\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>class MyComponent extends React.Component {\n  handleClick() {\n    console.log(this.props.text);\n  }\n  \n  render() {\n    const boundClick = this.handleClick.bind(this);\n    return &lt;button onClick={boundClick}&gt;Click me&lt;\/button&gt;;\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001render \u30e1\u30bd\u30c3\u30c9\u3067 bind \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e handleClick \u30e1\u30bd\u30c3\u30c9\u3092\u624b\u52d5\u3067\u30d0\u30a4\u30f3\u30c9\u3057\u3001\u30d0\u30a4\u30f3\u30c9\u3055\u308c\u305f\u95a2\u6570\u3092\u30dc\u30bf\u30f3\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e onClick \u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u6e21\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u306f\u4f55\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u307e\u305f\u306f\u8981\u7d20\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u6c7a\u5b9a\u3067\u3059\u3002 React\u3067\u306f\u3001if\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3001\u4e09\u9805\u6f14\u7b97\u5b50\u3001\u8ad6\u7406\u6f14\u7b97\u5b50\u306a\u3069\u3092\u4f7f\u7528\u3057\u3066\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function Greeting(props) {\n  if (props.isLoggedIn) {\n    return &lt;h1&gt;Welcome back!&lt;\/h1&gt;;\n  } else {\n    return &lt;h1&gt;Please log in.&lt;\/h1&gt;;\n  }\n}\n\nReactDOM.render(\n  &lt;Greeting isLoggedIn={true} \/&gt;,\n  document.getElementById('root')\n);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001props.isLoggedIn \u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308b\u30c6\u30ad\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3092\u6c7a\u5b9a\u3059\u308b Welcome\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 ReactDOM.render \u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001isLoggedIn \u304c\u771f\u3067\u3042\u308b props \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3059\u306e\u3067\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u306f &#8220;\u304a\u304b\u3048\u308a\u306a\u3055\u3044!&#8221; \u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function Greeting(props) {\n  return (\n    &lt;div&gt;\n      {props.isLoggedIn ? (\n        &lt;h1&gt;Welcome back!&lt;\/h1&gt;\n      ) : (\n        &lt;h1&gt;Please log in.&lt;\/h1&gt;\n      )}\n    &lt;\/div&gt;\n  );\n}\n\nReactDOM.render(\n  &lt;Greeting isLoggedIn={false} \/&gt;,\n  document.getElementById('root')\n);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001props.isLoggedIn \u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308b\u30c6\u30ad\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3092\u6c7a\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>if \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u4e09\u9805\u6f14\u7b97\u5b50\u306b\u52a0\u3048\u3066\u3001\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function Greeting(props) {\n  return (\n    &lt;div&gt;\n      {props.isLoggedIn &amp;&amp; &lt;h1&gt;Welcome back!&lt;\/h1&gt;}\n    &lt;\/div&gt;\n  );\n}\n\nReactDOM.render(\n  &lt;Greeting isLoggedIn={true} \/&gt;,\n  document.getElementById('root')\n);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u8ad6\u7406 AND \u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066 props.isLoggedIn \u306e\u5024\u304c\u771f\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3001\u771f\u3067\u3042\u308c\u3070 &lt;h1&gt;Welcome back!&lt;\/h1&gt; \u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u4f55\u3082\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306eAND\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React \u3067\u306f\u3001AND \u6f14\u7b97\u5b50 (&amp;&amp;) \u3068\u8ad6\u7406\u6f14\u7b97\u5b50 (|| ) \u306f\u3001\u6761\u4ef6\u4ed8\u304d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3084\u6761\u4ef6\u5f0f\u306e\u8a18\u8ff0\u3092\u7c21\u7565\u5316\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>AND \u6f14\u7b97\u5b50 (&amp;&amp;) \u30a2\u30f3\u30d1\u30b5\u30f3\u30c9\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u307e\u305f\u306f\u8981\u7d20\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u5b9a\u3067\u304d\u307e\u3059\u3002 \u6761\u4ef6\u304c true \u306e\u5834\u5408\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u307e\u305f\u306f\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f null\u3002 \u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function App() {\n  const isLoggedIn = true;\n  return (\n    &lt;div&gt;\n      {isLoggedIn &amp;&amp; &lt;p&gt;Welcome back!&lt;\/p&gt;}\n    &lt;\/div&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001isLoggedIn \u304c true \u306e\u5834\u5408\u3001&lt;p&gt;Welcome back!&lt;\/p&gt; \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u4f55\u3082\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8ad6\u7406\u6f14\u7b97\u5b50 (|| \u8ad6\u7406\u6f14\u7b97\u5b50\u306f\u3001\u6761\u4ef6\u5f0f\u306e\u8a18\u8ff0\u3092\u7c21\u7565\u5316\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u7b2c 1 \u30aa\u30da\u30e9\u30f3\u30c9\u304c\u507d\u306e\u5834\u5408\u3001\u7b2c 2 \u30aa\u30da\u30e9\u30f3\u30c9\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 \u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u6700\u521d\u306e\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function App() {\n  const username = '';\n  const displayName = username || 'Guest';\n  return (\n    &lt;div&gt;\n      &lt;h1&gt;Hello, {displayName}!&lt;\/h1&gt;\n    &lt;\/div&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u304c\u7a7a\u306e\u6587\u5b57\u5217\u306e\u5834\u5408\u3001\u8868\u793a\u540d\u306f &#8216;\u30b2\u30b9\u30c8&#8217; \u306b\u8a2d\u5b9a\u3055\u308c\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f displayName \u304c\u30e6\u30fc\u30b6\u30fc\u540d\u306e\u5024\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30aa\u30da\u30e9\u30f3\u30c9\u306e\u578b\u3068\u5024\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u305f\u3068\u3048\u3070\u30010\u3001null\u3001\u672a\u5b9a\u7fa9\u3001false\u3001NaN \u306a\u3069\u306f\u8ad6\u7406\u6f14\u7b97\u3067\u306f false \u3068\u3057\u3066\u6271\u308f\u308c\u3001\u30bc\u30ed\u4ee5\u5916\u306e\u6570\u5024\u3001\u7a7a\u306e\u6587\u5b57\u5217\u3001\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u3069\u306f\u8ad6\u7406\u6f14\u7b97\u3067\u306f true \u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u30ea\u30b9\u30c8\u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u30ea\u30b9\u30c8\u3068\u306f\u3001\u4e00\u9023\u306e\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u307e\u305f\u306f\u8981\u7d20\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u64cd\u4f5c\u3092\u6307\u3057\u307e\u3059\u3002 \u901a\u5e38\u3001JavaScript \u3067\u914d\u5217\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3057\u3001\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3066\u5404\u8981\u7d20\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>React\u306f\u3001\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3066\u5404\u8981\u7d20\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u4fbf\u5229\u306a\u65b9\u6cd5\u3001\u3064\u307e\u308amap()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 map() \u30e1\u30bd\u30c3\u30c9\u306f\u3001\u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3055\u308c\u305f\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3001\u5143\u306e\u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u3092\u51e6\u7406\u3057\u305f\u7d50\u679c\u3092\u542b\u3080\u65b0\u3057\u3044\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002 React \u3067\u306f\u3001map() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>map() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5358\u7d14\u306a\u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u306e\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>function App() {\n  const items = ['apple', 'banana', 'orange'];\n\n  return (\n    &lt;ul&gt;\n      {items.map((item) =&gt; (\n        &lt;li key={item}&gt;{item}&lt;\/li&gt;\n      ))}\n    &lt;\/ul&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6700\u521d\u306b3\u3064\u306e\u679c\u7269\u306e\u540d\u524d\u3092\u542b\u3080\u6587\u5b57\u5217\u914d\u5217\u30a2\u30a4\u30c6\u30e0\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u6b21\u306b\u3001map() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3001&lt;li&gt; \u8981\u7d20\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002 \u5404&lt; li&gt;\u8981\u7d20\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u3001\u8981\u7d20\u306e\u5024\u3092\u30ad\u30fc\u5c5e\u6027\u306e\u5024\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3001React\u304c\u5404\u8981\u7d20\u306e\u5909\u66f4\u3092\u9069\u5207\u306b\u8ffd\u8de1\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002 \u6700\u5f8c\u306b\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f &lt;li&gt; \u8981\u7d20\u3092 &lt;ul&gt; \u8981\u7d20\u306b\u914d\u7f6e\u3057\u3066\u3001\u5b8c\u5168\u306a\u30ea\u30b9\u30c8\u3092\u5f62\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3068\u304d\u306f\u3001\u8981\u7d20\u3054\u3068\u306b\u4e00\u610f\u306e\u30ad\u30fc\u5c5e\u6027\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u3053\u306e\u5c5e\u6027\u306f\u3001React\u304c\u5404\u8981\u7d20\u306e\u5909\u66f4\u3092\u9069\u5207\u306b\u8ffd\u8de1\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3001\u4e0d\u8981\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u56de\u907f\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u901a\u5e38\u3001\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001ID\u3001\u4e00\u610f\u306e\u8b58\u5225\u5b50\u306a\u3069\u3092\u30ad\u30fc\u5c5e\u6027\u306e\u5024\u3068\u3057\u3066\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=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30ea\u30b9\u30c8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30ea\u30b9\u30c8\u306f\u901a\u5e38\u3001map()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u307e\u305f\u306f\u8981\u7d20\u3092\u542b\u3080\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002 \u6b21\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function App() {\n  const list = [\"apple\", \"banana\", \"orange\"];\n\n  return (\n    &lt;ul&gt;\n      {list.map((item) =&gt; (\n        &lt;li key={item}&gt;{item}&lt;\/li&gt;\n      ))}\n    &lt;\/ul&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u30013\u3064\u306e\u6587\u5b57\u5217\u3092\u542b\u3080\u914d\u5217\u30ea\u30b9\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u6b21\u306b\u3001map() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u5404\u8981\u7d20\u306e &lt;li&gt; \u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002 \u5404&lt; li&gt;\u8981\u7d20\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3068\u304d\u306f\u3001\u8981\u7d20\u306e\u5024\u3092\u30ad\u30fc\u5c5e\u6027\u306e\u5024\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3001React\u304c\u5404\u8981\u7d20\u306e\u5909\u66f4\u3092\u9069\u5207\u306b\u8ffd\u8de1\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>map() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u5834\u5408\u306f\u3001\u8981\u7d20\u3054\u3068\u306b\u4e00\u610f\u306e\u30ad\u30fc\u5c5e\u6027\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u3053\u306e\u5c5e\u6027\u306f\u3001\u30ea\u30b9\u30c8\u3092\u66f4\u65b0\u3059\u308b\u3068\u304d\u306bReact\u304c\u5909\u5316\u3059\u308b\u8981\u7d20\u3092\u3088\u308a\u901f\u304f\u898b\u3064\u3051\u308b\u306e\u306b\u5f79\u7acb\u3061\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>map() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u5834\u5408\u3001\u5404\u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001To-Do \u9805\u76ee\u306e\u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b TodoItem \u3068\u3044\u3046\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002 \u6b21\u306e\u3088\u3046\u306b\u3001\u5404\u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092 TodoItem \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3059\u3053\u3068\u3067\u3001To Do \u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function App() {\n  const todoList = [\n    { id: 1, text: \"Buy milk\" },\n    { id: 2, text: \"Finish homework\" },\n    { id: 3, text: \"Go for a run\" },\n  ];\n\n  return (\n    &lt;ul&gt;\n      {todoList.map((item) =&gt; (\n        &lt;TodoItem key={item.id} id={item.id} text={item.text} \/&gt;\n      ))}\n    &lt;\/ul&gt;\n  );\n}\n\nfunction TodoItem(props) {\n  return &lt;li&gt;{props.text}&lt;\/li&gt;;\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u304c id \u3068\u30c6\u30ad\u30b9\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u542b\u3080 3 \u3064\u306e todoList \u3092\u542b\u3080\u914d\u5217\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 map() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u5404\u8981\u7d20\u306e id \u30d7\u30ed\u30d1\u30c6\u30a3\u3068 text \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5f15\u6570\u3068\u3057\u3066 TodoItem \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u3001To Do \u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002 TodoItem \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306f\u3001To Do \u9805\u76ee\u306e\u30c6\u30ad\u30b9\u30c8 \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u307f\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3001id \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u7121\u8996\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u30ad\u30fc\u304cReact\u3067\u4f55\u3092\u3059\u308b\u306e\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React \u3067\u306f\u3001\u3069\u306e\u8981\u7d20\u304c\u5909\u66f4\u3001\u8ffd\u52a0\u3001\u307e\u305f\u306f\u524a\u9664\u3055\u308c\u305f\u304b\u3092 React \u304c\u8b58\u5225\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u30d7\u30ed\u30d1\u30c6\u30a3\u3002 \u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u5834\u5408\u3001React \u304c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30d3\u30e5\u30fc\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u66f4\u65b0\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u5404\u30ea\u30b9\u30c8\u9805\u76ee\u306b\u306f\u4e00\u610f\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u5fc5\u8981\u3067\u3059\u3002<code>key<\/code><code>key<\/code><\/p>\n\n\n\n<p>\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001React\u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u306b\u8b66\u544a\u3092\u8868\u793a\u3057\u3001\u958b\u767a\u8005\u306f\u5404\u8981\u7d20\u306e\u5909\u66f4\u3092\u3088\u308a\u6b63\u78ba\u306b\u8ffd\u8de1\u3059\u308b\u305f\u3081\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306b\u4fc3\u3057\u307e\u3059\u3002<code>key<\/code><code>key<\/code><\/p>\n\n\n\n<p><code>key<\/code>&nbsp;\u5024\u306b\u306f\u3001\u30ea\u30b9\u30c8 \u30a2\u30a4\u30c6\u30e0\u306e ID\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5024\u306a\u3069\u3001\u8981\u7d20\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u4efb\u610f\u306e\u5024\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u4e71\u6570\u3084\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5024\u3092 \u3068\u3057\u3066\u4f7f\u7528\u3057\u306a\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306f\u3044\u304f\u3064\u304b\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002 \u30ea\u30b9\u30c8\u306e\u9806\u5e8f\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3001\u4e71\u6570\u307e\u305f\u306f\u914d\u5217\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5024\u3092 as \u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3068\u3001\u8981\u7d20\u306e\u72b6\u614b\u304c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b9f\u969b\u306e\u72b6\u614b\u3068\u77db\u76fe\u3057\u3001\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<code>key<\/code><code>key<\/code><\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001React \u3067\u306f\u3001\u30ea\u30b9\u30c8\u9805\u76ee\u306b\u5b89\u5b9a\u3057\u305f\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u30d5\u30a9\u30fc\u30e0\u304c\u3042\u308b\u306e\u304b \u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u306f\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3059\u308b\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002 React \u306f\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u4f5c\u6210\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3001\u304a\u3088\u3073\u51e6\u7406\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068 API \u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>React \u3067\u306f\u3001 \u306a\u3069\u306e\u30d5\u30a9\u30fc\u30e0\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u542b\u3080\u8981\u7d20\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u30e6\u30fc\u30b6\u30fc\u304c\u30d5\u30a9\u30fc\u30e0\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u30a4\u30d9\u30f3\u30c8 \u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u5185\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9 \u30b5\u30fc\u30d0\u30fc\u306b\u6e21\u3057\u3066\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<code>form<\/code><code>form<\/code><code>input<\/code><code>select<\/code><code>textarea<\/code><\/p>\n\n\n\n<p>React \u30d5\u30a9\u30fc\u30e0\u306e\u4e00\u822c\u7684\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068 API \u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>form<\/code>&nbsp;\u8981\u7d20: \u30d5\u30a9\u30fc\u30e0\u306e\u4f5c\u6210\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>input<\/code>&nbsp;\u8981\u7d20:\u5165\u529b\u30dc\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3001\u30c6\u30ad\u30b9\u30c8\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u3001\u65e5\u4ed8\u3001\u6642\u523b\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u306e\u5165\u529b\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>textarea<\/code>&nbsp;\u8981\u7d20: \u8907\u6570\u884c\u306e\u30c6\u30ad\u30b9\u30c8\u5165\u529b\u30dc\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>select<\/code>&nbsp;\u8981\u7d20: \u30e6\u30fc\u30b6\u30fc\u304c\u9078\u629e\u3067\u304d\u308b\u8907\u6570\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3 \u30dc\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>option<\/code>&nbsp;\u8981\u7d20: \u8981\u7d20\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<code>select<\/code><\/li>\n\n\n\n<li><code>label<\/code>&nbsp;\u8981\u7d20: \u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306e\u76ee\u7684\u3092\u8aac\u660e\u3059\u308b\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30bf\u30b0\u3002<\/li>\n\n\n\n<li><code>onSubmit<\/code>&nbsp;\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc: \u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u306e\u51e6\u7406\u306b\u4f7f\u7528\u3055\u308c\u3001\u30d5\u30a9\u30fc\u30e0\u5185\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>React\u3067\u306e\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u306b\u306f\u30012\u3064\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3082\u542b\u307e\u308c\u307e\u3059\u3002<code>controlled components<\/code><code>uncontrolled components<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>controlled components<\/code>:\u30d5\u30a9\u30fc\u30e0\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u5024\u304cReact\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u3001\u5024\u306e\u5909\u66f4\u3054\u3068\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u540c\u671f\u7684\u306b\u66f4\u65b0\u3055\u308c\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u30c7\u30fc\u30bf\u306e\u53cc\u65b9\u5411\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u304c\u5b9f\u73fe\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<code>state<\/code><code>state<\/code><\/li>\n\n\n\n<li><code>uncontrolled components<\/code>: \u30d5\u30a9\u30fc\u30e0\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u5024\u304c React \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u30d5\u30a9\u30fc\u30e0\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u3053\u306e\u5834\u5408\u3001Properties \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d5\u30a9\u30fc\u30e0 \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<code>ref<\/code><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u5236\u5fa1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u975e\u5236\u5fa1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306f\u3001\u5236\u5fa1\u3055\u308c\u305f\u72b6\u614b\u3068\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u306e2\u3064\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5236\u5fa1\u90e8\u54c1:<\/li>\n<\/ol>\n\n\n\n<p>\u5236\u5fa1\u3055\u308c\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u308b\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u3067\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u3067\u4fdd\u5b58\u3057\u3001\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u308b\u305f\u3073\u306b\u72b6\u614b\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002 \u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u4ecb\u3057\u3066\u65b0\u3057\u3044\u5024\u3092\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u307e\u3059\u3002 \u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306e\u5024\u3068\u52d5\u4f5c\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5236\u5fa1\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306f\u3001\u5404\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306b\u5bfe\u5fdc\u3059\u308b\u72b6\u614b\u5024\u304c\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u51e6\u7406\u3059\u308b\u3088\u3046\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b onChange \u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u5165\u529b\u304c\u5909\u66f4\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u6700\u65b0\u306e\u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306b\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8:<\/li>\n<\/ol>\n\n\n\n<p>\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u306a\u3044\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u3067\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5024\u306f\u3001DOM \u8981\u7d20\u81ea\u4f53\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u307e\u3059\u3002 \u30e6\u30fc\u30b6\u30fc\u304c\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306b\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3057\u3066\u3082\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u305d\u306e\u30c7\u30fc\u30bf\u3092\u72b6\u614b\u306b\u4fdd\u5b58\u3057\u307e\u305b\u3093\u3002 \u4ee3\u308f\u308a\u306b\u3001DOM \u8981\u7d20\u304b\u3089\u76f4\u63a5\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3078\u306e\u5373\u6642\u5fdc\u7b54\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u30d5\u30a9\u30fc\u30e0\u3084\u3001\u691c\u8a3c\u306e\u305f\u3081\u306b\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u30d5\u30a9\u30fc\u30e0\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306f\u3001\u5404\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306b\u306f\u5bfe\u5fdc\u3059\u308b\u72b6\u614b\u5024\u304c\u3042\u308a\u307e\u305b\u3093\u3002 \u4ee3\u308f\u308a\u306b\u3001DOM \u8981\u7d20\u306e\u5024\u306f ref \u5c5e\u6027\u3092\u4f7f\u7528\u3057\u3066\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u76f4\u63a5\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \u305f\u3060\u3057\u3001\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30d5\u30a9\u30fc\u30e0\u8981\u7d20\u306e\u5236\u5fa1\u3092\u5931\u3044\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u4e0d\u6574\u5408\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\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=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u3067\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u6271\u308f\u308c\u308b\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u306b\u306f\u3001\u4e00\u822c\u306b\u3001\u5236\u5fa1\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b2\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5236\u5fa1\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306f React \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002 \u30e6\u30fc\u30b6\u30fc\u304c\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3059\u308b\u3068\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u304c\u66f4\u65b0\u3055\u308c\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u5024\u304c\u305d\u308c\u306b\u4f34\u3063\u3066\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002 \u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3068\u304d\u306f\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u304b\u3089\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \u6b21\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>import React, { useState } from 'react';\n\nfunction Form() {\n  const [username, setUsername] = useState('');\n  const [password, setPassword] = useState('');\n\n  const handleSubmit = (event) =&gt; {\n    event.preventDefault();\n    console.log(`Username: ${username}, Password: ${password}`);\n  };\n\n  return (\n    &lt;form onSubmit={handleSubmit}&gt;\n      &lt;label&gt;\n        Username:\n        &lt;input type=\"text\" value={username} onChange={(event) =&gt; setUsername(event.target.value)} \/&gt;\n      &lt;\/label&gt;\n      &lt;br \/&gt;\n      &lt;label&gt;\n        Password:\n        &lt;input type=\"password\" value={password} onChange={(event) =&gt; setPassword(event.target.value)} \/&gt;\n      &lt;\/label&gt;\n      &lt;br \/&gt;\n      &lt;button type=\"submit\"&gt;Submit&lt;\/button&gt;\n    &lt;\/form&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u304c\u7a7a\u306e\u6587\u5b57\u5217\u3068\u3057\u3066\u521d\u671f\u5316\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002 \u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u30dc\u30c3\u30af\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u3001\u72b6\u614b\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002 \u30d5\u30a9\u30fc\u30e0\u304c\u9001\u4fe1\u3055\u308c\u308b\u3068\u3001\u95a2\u6570\u306f \u3068 status \u306e\u5024\u3092\u53d6\u5f97\u3057\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059\u3002<code>username<\/code><code>password<\/code><code>onChange<\/code><code>handleSubmit<\/code><code>username<\/code><code>password<\/code><\/p>\n\n\n\n<p>\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306f DOM \u8981\u7d20\u306b\u3088\u3063\u3066\u51e6\u7406\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u5834\u5408\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u5024\u306f\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u3067\u306f\u306a\u304f\u3001DOM\u8981\u7d20\u306e\u5024\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u3066\u3001DOM \u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<code>ref<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>import React, { useRef } from 'react';\n\nfunction Form() {\n  const usernameRef = useRef();\n  const passwordRef = useRef();\n\n  const handleSubmit = (event) =&gt; {\n    event.preventDefault();\n    console.log(`Username: ${usernameRef.current.value}, Password: ${passwordRef.current.value}`);\n  };\n\n  return (\n    &lt;form onSubmit={handleSubmit}&gt;\n      &lt;label&gt;\n        Username:\n        &lt;input type=\"text\" ref={usernameRef} \/&gt;\n      &lt;\/label&gt;\n      &lt;br \/&gt;\n      &lt;label&gt;\n        Password:\n        &lt;input type=\"password\" ref={passwordRef} \/&gt;\n      &lt;\/label&gt;\n      &lt;br \/&gt;\n      &lt;button type=\"submit\"&gt;Submit&lt;\/button&gt;\n    &lt;\/form&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u8981\u7d20\u304c\u5225\u3005\u306b\u53c2\u7167\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u30d5\u30a9\u30fc\u30e0\u304c\u9001\u4fe1\u3055\u308c\u308b\u3068\u3001\u95a2\u6570\u306f\u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u3057\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059\u3002 \u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u5024\u3092\u624b\u52d5\u3067\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<code>usernameRef<\/code><code>passwordRef<\/code><code>input<\/code><code>handleSubmit<\/code><code>input<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u3092\u8a73\u7d30\u306b\u8aac\u660e\u3059\u308b<\/p>\n\n\n\n<p>React\u3067\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306fprops\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4ecb\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u5177\u4f53\u7684\u306b\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e this.props \u3092\u4ecb\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5\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\">jsxCopy code<code>\/\/ \u7236\u7ec4\u4ef6\nclass ParentComponent extends React.Component {\n  render() {\n    const name = \"Alice\";\n    return &lt;ChildComponent name={name} \/&gt;;\n  }\n}\n\n\/\/ \u5b50\u7ec4\u4ef6\nclass ChildComponent extends React.Component {\n  render() {\n    return &lt;div&gt;Hello, {this.props.name}!&lt;\/div&gt;;\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f name \u3068\u3044\u3046\u540d\u524d\u306e\u5909\u6570\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u307e\u3059\u3002 \u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u3092\u53d6\u5f97\u3057\u3066\u30da\u30fc\u30b8\u306b\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<code>this.props.name<\/code><\/p>\n\n\n\n<p>\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u306f\u5c0f\u9053\u5177\u3092\u4ecb\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3055\u308c\u308b\u305f\u3081\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3053\u306e\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3067\u304d\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u3053\u306e\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u5909\u66f4\u3055\u308c\u305f\u95a2\u6570\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u3001\u5b50\u306b\u3053\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u30c7\u30fc\u30bf\u306e &#8220;\u53d7\u3051\u6e21\u3057&#8221; \u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u3092\u8a73\u7d30\u306b\u8aac\u660e\u3059\u308b<\/p>\n\n\n\n<p>\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u4ecb\u3057\u3066\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3057\u307e\u3059\u3002 \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u95a2\u6570\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u307e\u3059\u3002 \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u30c7\u30fc\u30bf\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u95a2\u6570\u306b\u6e21\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>\/\/ \u7236\u7ec4\u4ef6\nfunction ParentComponent() {\n  function handleData(data) {\n    console.log(`Received data: ${data}`);\n  }\n\n  return (\n    &lt;div&gt;\n      &lt;ChildComponent onData={handleData} \/&gt;\n    &lt;\/div&gt;\n  );\n}\n\n\/\/ \u5b50\u7ec4\u4ef6\nfunction ChildComponent(props) {\n  function handleClick() {\n    props.onData(\"hello from child\");\n  }\n\n  return (\n    &lt;button onClick={handleClick}&gt;Send Data to Parent&lt;\/button&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f \u3068\u3044\u3046\u540d\u524d\u306e\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u95a2\u6570\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u307e\u3059\u3002 \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3068\u304d\u306b\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3001\u6587\u5b57\u5217\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u95a2\u6570\u306b\u6e21\u3057\u307e\u3059\u3002<code>ParentComponent<\/code><code>handleData<\/code><code>onData<\/code><code>ChildComponent<\/code><code>ChildComponent<\/code><code>handleClick<\/code><code>\"hello from child\"<\/code><code>handleData<\/code><\/p>\n\n\n\n<p>\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u77e2\u5370\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u5185\u306e\u6b63\u78ba\u6027\u3092\u78ba\u4fdd\u3067\u304d\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<code>this<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>\/\/ \u7236\u7ec4\u4ef6\nclass ParentComponent extends React.Component {\n  handleData = (data) =&gt; {\n    console.log(`Received data: ${data}`);\n  }\n\n  render() {\n    return (\n      &lt;div&gt;\n        &lt;ChildComponent onData={this.handleData} \/&gt;\n      &lt;\/div&gt;\n    );\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u306f\u77e2\u5370\u95a2\u6570\u306e\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u81ea\u52d5\u7684\u306b\u30d0\u30a4\u30f3\u30c9\u3055\u308c\u307e\u3059\u3002<code>handleData<\/code><code>this<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u30d6\u30e9\u30b6\u30fc\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u306e\u5144\u5f1f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u306f\u3001\u901a\u5e38\u3001\u500b\u3005\u306e\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u305f\u3081\u306e\u4ef2\u4ecb\u8005\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u5171\u901a\u306e\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4ecb\u3057\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002 \u5177\u4f53\u7684\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5171\u6709\u30c7\u30fc\u30bf\u3092\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u306b\u683c\u7d0d\u3057\u3001\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u95a2\u6570\u3092\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b props \u3068\u3057\u3066\u6e21\u3057\u307e\u3059\u3002 \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066\u6e21\u3055\u308c\u305f\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u3092\u66f4\u65b0\u3057\u3001\u3059\u3079\u3066\u306e\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e props \u3092\u66f4\u65b0\u3057\u307e\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u5144\u5f1f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u5358\u7d14\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>React \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u5144\u5f1f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u30c7\u30fc\u30bf\u3092\u5171\u6709\u3057\u307e\u3059\u3002 \u5171\u6709\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u683c\u7d0d\u3057\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3067\u30e9\u30c3\u30d7\u3057\u3001\u30c7\u30fc\u30bf\u3092\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u307e\u3059\u3002 \u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001Context.Consumer \u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u5144\u5f1f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u6df1\u3044\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>Redux\u3001MobX\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u307e\u305f\u306f\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3092\u7ba1\u7406\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u30c7\u30fc\u30bf\u5171\u6709\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002 \u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u5927\u898f\u6a21\u3067\u8907\u96d1\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u30c7\u30fc\u30bf\u7ba1\u7406\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u30c7\u30fc\u30bf\u3092\u5171\u6709\u3059\u308b\u65b9\u6cd5\u3067\u3042\u308a\u3001\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30ec\u30a4\u30e4\u30fc\u306b\u5c0f\u9053\u5177\u3092\u6e21\u3059\u3068\u3044\u3046\u9762\u5012\u306a\u4f5c\u696d\u3092\u56de\u907f\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5404\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5c0f\u9053\u5177\u3092\u624b\u52d5\u3067\u6e21\u3059\u3053\u3068\u306a\u304f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c4\u30ea\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 Context \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001React.createContext() \u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>const MyContext = React.createContext(defaultValue);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001defaultValue \u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u308b\u65e2\u5b9a\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u5f8c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067 Provider \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 \u30c4\u30ea\u30fc\u5185\u306e\u3059\u3079\u3066\u306e\u30b5\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5024\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u5171\u6709\u3059\u308b\u5024\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e value \u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>&lt;MyContext.Provider value={\/* \u5171\u4eab\u7684\u503c *\/}&gt;\n  &lt;ChildComponent \/&gt;\n&lt;\/MyContext.Provider&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304b\u3089\u5024\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>&lt;MyContext.Consumer&gt;\n  {value =&gt; \/* \u57fa\u4e8e context \u503c\u8fdb\u884c\u6e32\u67d3 *\/}\n&lt;\/MyContext.Consumer&gt;\n<\/code><\/pre>\n\n\n\n<p>\u307e\u305f\u306f\u3001\u9759\u7684\u30d7\u30ed\u30d1\u30c6\u30a3 contextType \u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">jsxCopy code<code>class MyClass extends React.Component {\n  static contextType = MyContext;\n  render() {\n    const value = this.context;\n    \/\/ \u57fa\u4e8e context \u503c\u8fdb\u884c\u6e32\u67d3\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>Context \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001Context \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5225\u3005\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u914d\u7f6e\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u304c\u8aad\u307f\u3084\u3059\u304f\u3001\u4fdd\u5b88\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u53c2\u7167\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React\u3067\u306f\u3001Refs\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u305f\u3081\u306e\u624b\u6cd5\u3067\u3059\u3002 Refs \u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u7279\u5b9a\u306e\u8981\u7d20\u3078\u306e\u53c2\u7167\u3067\u3042\u308a\u3001\u305d\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53d6\u5f97\u3057\u305f\u308a\u64cd\u4f5c\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>Refs \u306f\u3001DOM \u8981\u7d20\u5185\u304b\u3089\u76f4\u63a5 React \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u7279\u5b9a\u306e DOM \u30a4\u30d9\u30f3\u30c8\u3092\u624b\u52d5\u3067\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3084\u3001\u7279\u5b9a\u306e DOM \u8981\u7d20\u306e\u5834\u6240\u3092\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306a\u3069\u3001\u30b3\u30fc\u30c9\u5185\u306e DOM \u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u53c2\u7167\u306f\u3001\u6b21\u306e 2 \u3064\u306e\u65b9\u6cd5\u3067\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>1. React.createRef() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 ref \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5185\u306e\u8981\u7d20\u306b\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>class MyComponent extends React.Component {\n  constructor(props) {\n    super(props);\n    this.myRef = React.createRef();\n  }\n\n  render() {\n    return &lt;div ref={this.myRef}&gt;Hello World!&lt;\/div&gt;;\n  }\n}\n<\/code><\/pre>\n\n\n\n<p>2. \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570 (\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8) \u3092\u4f7f\u7528\u3057\u3066\u3001ref \u3092\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>function MyComponent(props) {\n  let myRef = null;\n\n  function handleClick() {\n    myRef.focus();\n  }\n\n  return (\n    &lt;div&gt;\n      &lt;input type=\"text\" ref={ref =&gt; (myRef = ref)} \/&gt;\n      &lt;button onClick={handleClick}&gt;Focus Input&lt;\/button&gt;\n    &lt;\/div&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>Refs \u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u7559\u610f\u3059\u3079\u304d\u70b9\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>1.\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3068\u3001React\u306f\u5bfe\u5fdc\u3059\u308bref\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u81ea\u52d5\u7684\u306b\u7834\u68c4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>2. \u6a5f\u80fd\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306f\u3001useRef() \u30d5\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066 ref \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>3. React\u3067\u306f\u3001\u526f\u4f5c\u7528\u306e\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u53c2\u7167\u3092\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002 Refs \u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068 DOM \u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u306e\u307f\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>4)React\u3067\u306f\u3001Refs\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b\u3084\u5c0f\u9053\u5177\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002 \u72b6\u614b\u307e\u305f\u306f\u5c0f\u9053\u5177\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306b\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\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=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>React \u3067\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f 1 \u3064\u306e\u30eb\u30fc\u30c8\u8981\u7d20\u3057\u304b\u6301\u3066\u306a\u3044\u305f\u3081\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u67d4\u8edf\u6027\u304c\u5236\u9650\u3055\u308c\u307e\u3059\u3002 \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30ce\u30fc\u30c9\u3092\u8ffd\u52a0\u305b\u305a\u306b\u8907\u6570\u306e\u5b50\u8981\u7d20\u3092\u8fd4\u3059\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067&lt;React.Fragment&gt;\u307e\u305f\u306f&lt;&gt;\u3092\u4f7f\u7528\u3057\u3066\u304b\u3089\u3001\u8fd4\u3055\u308c\u308b\u5fc5\u8981\u306e\u3042\u308b\u5b50\u8981\u7d20\u3092\u542b\u3081\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import React, { Fragment } from 'react';\n\nfunction Component() {\n  return (\n    &lt;&gt;\n      &lt;h1&gt;Hello&lt;\/h1&gt;\n      &lt;p&gt;World&lt;\/p&gt;\n    &lt;\/&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u7a7a\u306e\u30bf\u30b0 &lt;&gt; \u3092\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3068\u3057\u3066\u4f7f\u7528\u3057\u3001\u305d\u306e\u4e2d\u306e 2 \u3064\u306e\u5b50\u8981\u7d20\u3092\u540c\u6642\u306b\u8fd4\u3057\u307e\u3057\u305f\u3002 \u3082\u3061\u308d\u3093\u3001\u540c\u69d8\u306b\u66f8\u304b\u308c\u3066\u3044\u308bReact.Fragment\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import React, { Fragment } from 'react';\n\nfunction Component() {\n  return (\n    &lt;React.Fragment&gt;\n      &lt;h1&gt;Hello&lt;\/h1&gt;\n      &lt;p&gt;World&lt;\/p&gt;\n    &lt;\/React.Fragment&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5229\u70b9\u306f\u3001\u4f59\u5206\u306a\u30ce\u30fc\u30c9\u304c\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u8907\u6570\u306e\u30ea\u30b9\u30c8 \u30a2\u30a4\u30c6\u30e0\u3092\u8fd4\u3059\u5834\u5408\u3084\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u8907\u6570\u306e\u884c\u3092\u8fd4\u3059\u5834\u5408\u306a\u3069\u306b\u7279\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>React\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u983b\u7e41\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3067\u66f4\u65b0\u3055\u308c\u308b\u3068\u3001\u9069\u5207\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u304c\u306a\u3044\u5834\u5408\u3001\u30da\u30fc\u30b8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u901f\u5ea6\u304c\u9045\u304f\u306a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>PureComponent \u3092\u4f7f\u7528\u3059\u308b: PureComponent \u306f React \u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306b\u6d45\u3044\u6bd4\u8f03\u3092\u81ea\u52d5\u7684\u306b\u884c\u3044\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5358\u306b\u5c0f\u9053\u5177\u3068\u72b6\u614b\u306b\u5f93\u3063\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u5834\u5408\u3001PureComponent \u3092\u4f7f\u7528\u3059\u308b\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>shouldComponentUpdate \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b: \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c PureComponent \u3092\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\u306f\u3001shouldComponentUpdate \u30e1\u30bd\u30c3\u30c9\u3092\u624b\u52d5\u3067\u5b9f\u88c5\u3057\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e0d\u8981\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u907f\u3051\u308b: \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e render \u30e1\u30bd\u30c3\u30c9\u306a\u3069\u3001render \u30e1\u30bd\u30c3\u30c9\u3067\u306e\u4e0d\u8981\u306a\u64cd\u4f5c\u3092\u907f\u3051\u3001\u4ed6\u306e\u95a2\u6570\u3084\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u547c\u3073\u51fa\u3055\u305a\u3001\u8ffd\u52a0\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u64cd\u4f5c\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0 \u30e1\u30bd\u30c3\u30c9\u3067\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u3068\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u56de\u907f: \u30ac\u30d9\u30fc\u30b8 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u983b\u5ea6\u3092\u6e1b\u3089\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u7279\u306b\u5927\u304d\u306a\u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u5834\u5408\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0 \u30e1\u30bd\u30c3\u30c9\u3067\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u308a\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u305f\u308a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30ad\u30fc\u3092\u4f7f\u7528\u3059\u308b: \u30ea\u30b9\u30c8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u3001\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u66f4\u65b0\u304c\u5fc5\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u66f4\u65b0\u3057\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092 React \u304c\u8b58\u5225\u3057\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u8981\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u64cd\u4f5c\u3092\u56de\u907f\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>React.memo\u3092\u4f7f\u7528\u3059\u308b:React.memo\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u9ad8\u30ec\u30d9\u30eb\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5c0f\u9053\u5177\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u7d50\u679c\u306f\u4e0d\u8981\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u64cd\u4f5c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5206\u5272: \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8a2d\u8a08\u3059\u308b\u5834\u5408\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5c0f\u3055\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5206\u5272\u3059\u308b\u3068\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u9ad8\u901f\u5316\u3055\u308c\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3082\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>Github\u3067\u6700\u9ad8\u306eReact\u30d9\u30fc\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u3044\u304f\u3064\u304b\u306f\u4f55\u3067\u3059\u304b?<\/p>\n\n\n\n<p>Github\u306b\u306f\u7d20\u6674\u3089\u3057\u3044React\u30d9\u30fc\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u306b\u3044\u304f\u3064\u304b\u306e\u4f8b\u304c\u3042\u308a\u307e\u3059:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Facebook:React\u306e\u4f5c\u6210\u8005\u3067\u3042\u308a\u3001React\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u6700\u5927\u306e\u8ca2\u732e\u8005\u306e1\u4eba\u3067\u3042\u308b\u5f7c\u3089\u306eWeb\u30b5\u30a4\u30c8\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u3057\u3066React\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>Airbnb:\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u30e1\u30a4\u30f3\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u542b\u3081\u3001React\u3067\u8907\u6570\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>Netflix:React\u3092\u4f7f\u7528\u3057\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3092\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>Instagram:React\u3068React Native\u306e\u4f5c\u6210\u8005\u3067\u69cb\u7bc9\u3055\u308c\u305f\u5f7c\u3089\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3002<\/li>\n\n\n\n<li>Uber:\u30e1\u30a4\u30f3Web\u30b5\u30a4\u30c8\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3092\u542b\u3081\u3001React\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>Dropbox:React\u3092\u4f7f\u7528\u3057\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3092\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4f01\u696d\u3084\u7d44\u7e54\u306f\u3001\u5b66\u7fd2\u3084\u53c2\u7167\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092Github\u306b\u6301\u3063\u3066\u3044\u307e\u3059\u3002 \u3055\u3089\u306b\u3001Github\u306b\u306f\u512a\u308c\u305f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=812\" 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=\"gun tei\"\/><\/figure>\n\n\n\n<p>Github\u306e\u7d20\u6674\u3089\u3057\u3044React\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\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\u7d20\u6674\u3089\u3057\u3044React\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u306b\u304a\u52e7\u3081\u3059\u308b\u3082\u306e\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>React\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8:React\u306e\u57fa\u672c\u6982\u5ff5\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8API\u3001\u304a\u3088\u3073\u5b9f\u7528\u7684\u306a\u63d0\u6848\u3092\u542b\u3080<a href=\"https:\/\/github.com\/reactjs\/reactjs.org\">React<\/a>\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 https:\/\/github.com\/reactjs\/reactjs.org\u3002 \u82f1\u8a9e\u7248\u3060\u3051\u3067\u306a\u304f\u3001\u975e\u5e38\u306b\u8a73\u7d30\u3067\u5305\u62ec\u7684\u306a\u3055\u307e\u3056\u307e\u306a\u8a00\u8a9e\u306e\u7ffb\u8a33\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>React Native\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8:<a href=\"https:\/\/github.com\/facebook\/react-native\">https:\/\/github.com\/facebook\/react-native<\/a>&nbsp;React Native\u306f\u3001Facebook\u304c\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u5316\u3057\u305f\u30cd\u30a4\u30c6\u30a3\u30d6\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u305d\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3082\u975e\u5e38\u306b\u8a73\u7d30\u3067\u5305\u62ec\u7684\u3067\u3059\u3002<\/li>\n\n\n\n<li>React\u30eb\u30fc\u30bf\u30fc:<a href=\"https:\/\/github.com\/ReactTraining\/react-router\">https:\/\/github.com\/ReactTraining\/react-router<\/a>&nbsp;React\u30eb\u30fc\u30bf\u30fc\u306fReact\u306e\u516c\u5f0f\u63a8\u5968\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30eb\u30fc\u30c8\u30b8\u30e3\u30f3\u30d7\u306a\u3069\u306e\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002 \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u3001\u305d\u306e\u4f7f\u7528\u6cd5\u3068\u539f\u5247\u304c\u8a73\u3057\u304f\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>Redux:<a href=\"https:\/\/github.com\/reduxjs\/redux\">https:\/\/github.com\/reduxjs\/redux<\/a>&nbsp;Redux\u306fReact\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001\u305d\u306e\u8a2d\u8a08\u30b3\u30f3\u30bb\u30d7\u30c8\u306f\u975e\u5e38\u306b\u30a8\u30ec\u30ac\u30f3\u30c8\u3067\u975e\u5e38\u306b\u5b9f\u7528\u7684\u3067\u3059\u3002 Redux\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u3001\u305d\u306e\u4f7f\u7528\u6cd5\u3068\u539f\u5247\u304c\u8a73\u3057\u304f\u8aac\u660e\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u3068\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>React\u30d6\u30fc\u30c8\u30b9\u30c8\u30e9\u30c3\u30d7:<a href=\"https:\/\/github.com\/react-bootstrap\/react-bootstrap\">https:\/\/github.com\/react-bootstrap\/react-bootstrap<\/a>&nbsp;React Bootstrap\u306f\u3001React\u30d9\u30fc\u30b9\u306e\u30d6\u30fc\u30c8\u30b9\u30c8\u30e9\u30c3\u30d7\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308a\u3001\u7f8e\u3057\u3044Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u3059\u3070\u3084\u304f\u69cb\u7bc9\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u8c4a\u5bcc\u306aUI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u3001\u305d\u306e\u4f7f\u7528\u6cd5\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u8a73\u7d30\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>Ant Design:&nbsp;<a href=\"https:\/\/github.com\/ant-design\/ant-design\">https:\/\/github.com\/ant-design\/ant-design<\/a>&nbsp;Ant Design \u306f\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30b0\u30ec\u30fc\u30c9\u306e UI \u30c7\u30b6\u30a4\u30f3\u8a00\u8a9e\u3068 React \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30b9\u30a4\u30fc\u30c8\u3067\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8c4a\u5bcc\u306a UI \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u3001\u305d\u306e\u4f7f\u7528\u6cd5\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u8a73\u7d30\u304c\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u3068\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>React China:<a href=\"https:\/\/github.com\/react-china\/react\">https:\/\/github.com\/react-china\/react React China<\/a>\u306f\u3001\u4e2d\u56fd\u3067\u6bd4\u8f03\u7684\u6d3b\u767a\u306aReact\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3067\u3042\u308a\u3001\u591a\u6570\u306eReact\u958b\u767a\u8005\u3068\u611b\u597d\u5bb6\u3092\u96c6\u3081\u3001\u591a\u304f\u306e\u8cb4\u91cd\u306a\u6280\u8853\u8a18\u4e8b\u3084\u30c7\u30a3\u30b9\u30ab\u30c3\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>React Native China:&nbsp;<a href=\"https:\/\/github.com\/reactnativecn\/react-native-guide\">https:\/\/github.com\/reactnativecn\/react-native-guide<\/a>&nbsp;React Native China\u306f\u3001\u4e2d\u56fd\u3067\u6bd4\u8f03\u7684\u6d3b\u767a\u306aReact Native\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3067\u3042\u308a\u3001React Native\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3057\u3066\u4f7f\u7528\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u591a\u304f\u306e\u8cb4\u91cd\u306a\u6280\u8853\u8a18\u4e8b\u3084\u30c7\u30a3\u30b9\u30ab\u30c3\u30b7\u30e7\u30f3\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/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-927","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\/927","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=927"}],"version-history":[{"count":1,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/posts\/927\/revisions"}],"predecessor-version":[{"id":928,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=\/wp\/v2\/posts\/927\/revisions\/928"}],"wp:attachment":[{"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edu.ujhb.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}