{"id":14740,"date":"2024-02-13T12:06:50","date_gmt":"2024-02-13T08:36:50","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=14740"},"modified":"2024-02-17T10:35:48","modified_gmt":"2024-02-17T07:05:48","slug":"what-is-react-js","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/ja\/tutorials\/what-is-react-js\/","title":{"rendered":"React.js \u3068\u306f\u4f55\u3067\u3059\u304b?"},"content":{"rendered":"<h2 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id=\"%d9%86%d8%ad%d9%88%d9%87-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-react-js\">React.js\u306e\u4f7f\u3044\u65b9<\/h2>\n<p>Angular\u306a\u3069\u306e\u4ed6\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u306f\u7570\u306a\u308a\u3001React\u306f\u30b3\u30fc\u30c9\u898f\u7d04\u3084\u30d5\u30a1\u30a4\u30eb\u69cb\u6210\u306b\u53b3\u683c\u306a\u30eb\u30fc\u30eb\u3092\u8ab2\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001\u958b\u767a\u8005\u3084\u30c1\u30fc\u30e0\u306f\u3001\u81ea\u5206\u305f\u3061\u306b\u3068\u3063\u3066\u6700\u9069\u306a\u898f\u7d04\u3092\u81ea\u7531\u306b\u8a2d\u5b9a\u3057\u3001React\u3092\u81ea\u7531\u306b\u5b9f\u88c5\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002React\u306f\u305d\u306e\u67d4\u8edf\u6027\u306e\u9ad8\u3055\u304b\u3089\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066React\u3092\u591a\u304f\u4f7f\u3046\u3053\u3068\u3082\u3001\u5c11\u306a\u304f\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>React\u3092\u4f7f\u3048\u3070\u3001\u30dc\u30bf\u30f3\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4e00\u90e8\u3001\u3042\u308b\u3044\u306f\u30a2\u30d7\u30ea\u306eUI\u5168\u4f53\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u65e2\u5b58\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6bb5\u968e\u7684\u306b\u5c0e\u5165\u30fb\u7d71\u5408\u3057\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u6027\u3092\u6301\u305f\u305b\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3057\u3001\u3055\u3089\u306b\u306f\u3001\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u3001React\u3092\u4f7f\u3063\u3066\u30d1\u30ef\u30d5\u30eb\u306a\u30a2\u30d7\u30ea\u3092\u30bc\u30ed\u304b\u3089\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n<h2 id=\"%d8%a7%d8%af%d8%ba%d8%a7%d9%85-react-%d8%af%d8%b1-%db%8c%da%a9-%d9%88%d8%a8-%d8%b3%d8%a7%db%8c%d8%aa-%d9%85%d9%88%d8%ac%d9%88%d8%af\">\u65e2\u5b58\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306bReact\u3092\u7d71\u5408\u3059\u308b<\/h2>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u52d5\u7684\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u305f\u3044\u306a\u3089\u3001React\u304c\u6700\u9069\u3067\u3059\u3002React\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u30b5\u30a4\u30c9\u30d0\u30fc\u3084\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u306a\u3069\u3001\u30b5\u30a4\u30c8\u306e\u3069\u3053\u306b\u3067\u3082\u914d\u7f6e\u3067\u304d\u308b\u518d\u5229\u7528\u53ef\u80fd\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001React\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u624b\u9806\u3092\u7c21\u5358\u306b\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-1-%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa-%d9%87%d8%a7%db%8c-cdn-%d8%a8%d9%87-html\">\u30b9\u30c6\u30c3\u30d71: HTML\u306bCDN\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8ffd\u52a0\u3059\u308b<\/h2>\n<ul>\n<li>\u307e\u305a\u3001CDN \u304b\u3089 React \u30b3\u30a2 \u30e9\u30a4\u30d6\u30e9\u30ea API \u3092 Web \u30b5\u30a4\u30c8\u306e HTML \u30a4\u30f3\u30c7\u30c3\u30af\u30b9 \u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002.<\/li>\n<li>\u6b21\u306b\u3001CDN\u304b\u3089React DOM\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e2\u30c7\u30eb\uff08DOM\uff09\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n<li>\u6b21\u306b\u3001CDN\u304b\u3089Babel\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002Babel\u306fReact\u30b3\u30fc\u30c9\u3092\u7ffb\u8a33\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u9593\u306e\u4e92\u63db\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u307e\u305f\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3082\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n<p>\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eHTML\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30d5\u30a1\u30a4\u30eb\u306b2\u3064\u306e\u4e3b\u8981\u306aCDN\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001CDN\u30b5\u30fc\u30d3\u30b9\u7d4c\u7531\u3067React\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306b\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;script src=\"https:\/\/unpkg.com\/react@17\/umd\/react.development.js\" crossorigin&gt;&lt;\/script&gt;\r\n&lt;script src=\"https:\/\/unpkg.com\/react-dom@17\/umd\/react-dom.development.js\" crossorigin&gt;&lt;\/script&gt;\r\n&lt;script src='https:\/\/unpkg.com\/babel-standalone@6.26.0\/babel.js'&gt;&lt;\/script&gt;\r\n&lt;script type=\"text\/babel\" src=\"like_widget.js\"&gt;&lt;\/script&gt;\r\n<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-2-%d8%b9%d9%84%d8%a7%d9%85%d8%aa-%da%af%d8%b0%d8%a7%d8%b1%db%8c-%d9%85%da%a9%d8%a7%d9%86-%d8%b1%d9%86%d8%af%d8%b1-%d8%af%d8%b1-%d9%88%d8%a8-%d8%b3%d8%a7%db%8c%d8%aa\">\u30b9\u30c6\u30c3\u30d72: \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u4e0a\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u5834\u6240\u3092\u30de\u30fc\u30af\u3059\u308b<\/h2>\n<p>React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308bHTML\u5185\u306e\u5834\u6240\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 &lt;div&gt; \u3053\u308c\u306f\u3001React \u30b3\u30fc\u30c9\u3067\u53c2\u7167\u3059\u308b\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u884c\u3055\u308c\u307e\u3057\u305f\u3002.<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!-- ... Your existing HTML markup ... --&gt;\r\n&lt;div id=\"like_widget_container\"&gt;&lt;\/div&gt;\r\n&lt;!-- ... Your existing HTML markup ... --&gt;\r\n<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%85%d8%b1%d8%ad%d9%84%d9%87-3-%d8%b3%d8%a7%d8%ae%d8%aa-%da%a9%d8%a7%d9%85%d9%be%d9%88%d9%86%d9%86%d8%aa-react\">\u30b9\u30c6\u30c3\u30d73: React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u69cb\u7bc9\u3059\u308b<\/h2>\n<ul>\n<li>\u3053\u306e\u5834\u5408\u306f like_widget.js \u3068\u3044\u3046 React \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002.<\/li>\n<li>\u3053\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u306f\u3001\u300cHello World\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b JSX \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u8fd4\u3059\u5358\u7d14\u306a\u95a2\u6570\u304c\u542b\u307e\u308c\u307e\u3059\u3002.<\/li>\n<li>\u6b21\u306b\u3001ReactDOM \u306e\u52a9\u3051\u3092\u501f\u308a\u3066\u3001HTML \u3067\u5148\u307b\u3069\u8a2d\u5b9a\u3057\u305f\u4e00\u610f\u306e ID \u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u3066\u3001\u3053\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092 DOM \u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>\/\/ Custom React component function that returns a JSX syntax\r\nconst ActualWidget = () =&gt; Hello World;\r\n\/\/ Select the container\r\nconst container = document.getElementById(\"like_widget_container\");\r\n\/\/ Render the component to the DOM\r\nReactDOM.render(, container);\r\n<\/code><\/pre>\n<\/div>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4e0b\u306e\u753b\u50cf\u3067\u30de\u30fc\u30af\u3057\u305f\u6b63\u78ba\u306a\u5834\u6240\u306b\u30d6\u30e9\u30a6\u30b6\u306b\u300cHello World\u300d\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"624\"  height=\"60\"  class=\"aligncenter wp-image-14741 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 624px) 100vw, 624px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_.webp\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_.webp 624w, https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_-300x29.webp 300w, https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_-110x11.webp 110w, https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_-200x19.webp 200w, https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_-380x37.webp 380w, https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_-255x25.webp 255w, https:\/\/cdn.itpiran.net\/2024\/02\/13114542\/What-Is-React.js_-550x53.webp 550w\" ><br \/>\nActualWidget\u95a2\u6570\u304c\u8fd4\u3059JavaScript XML\uff08JSX\uff09\u3068\u3044\u3046\u5947\u5999\u306a\u69cb\u6587\u306b\u6c17\u3065\u3044\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002React\u3067JSX\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001HTML\u3068JavaScript\u3092\u7c21\u5358\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Facebook\u306f\u3001HTML\u3092JavaScript\u30b3\u30fc\u30c9\u306b\u76f4\u63a5\u57cb\u3081\u8fbc\u3080\u3053\u3068\u3067\u6a5f\u80fd\u3092\u62e1\u5f35\u3059\u308b\u305f\u3081\u306eJavaScript\u69cb\u6587\u62e1\u5f35\u3068\u3057\u3066JSX\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002JSX\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001React\u3067\u5ba3\u8a00\u578b\u306eHTML\u3092JavaScript\u30b3\u30fc\u30c9\u306b\u76f4\u63a5\u8a18\u8ff0\u3067\u304d\u308b\u305f\u3081\u3001HTML\u3068JavaScript\u30b3\u30fc\u30c9\u3092\u5206\u96e2\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h2 id=\"%d8%a7%db%8c%d8%ac%d8%a7%d8%af-%db%8c%da%a9-react-app-%d8%aa%d9%85%d8%a7%d9%85-%d8%b9%db%8c%d8%a7%d8%b1\">\u672c\u683c\u7684\u306aReact\u30a2\u30d7\u30ea\u306e\u4f5c\u6210<\/h2>\n<p>\u65e2\u5b58\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306bReact\u3092\u7d44\u307f\u8fbc\u3093\u3067\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5c0f\u3055\u306a\u90e8\u5206\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u7c21\u5358\u3067\u3059\u304c\u3001\u5b8c\u5168\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u3092\u69cb\u7bc9\u3059\u308b\u306b\u306fReact\u3092\u4f7f\u7528\u3059\u308b\u65b9\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002\u3057\u304b\u3057\u3001React\u306b\u306f\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u8981\u4ef6\u304c\u53b3\u3057\u304f\u3001\u65b0\u3057\u3044React\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u306f\u8a2d\u5b9a\u304c\u9762\u5012\u3067\u9762\u5012\u306a\u5834\u5408\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u3053\u308c\u3089\u306e\u30d3\u30eb\u30c9\u8a2d\u5b9a\u3092\u5b66\u3093\u3060\u308a\u3001\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u3092\u81ea\u5206\u3067\u8a2d\u5b9a\u3057\u305f\u308a\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002Facebook\u306f\u3001React\u30a2\u30d7\u30ea\u306e\u30d3\u30eb\u30c9\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306b\u3001cre-react-app\u3068\u3044\u3046Node.js\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3048\u3070\u3001\u3059\u3050\u306bReact\u30a2\u30d7\u30ea\u3092\u69cb\u7bc9\u3067\u304d\u3001React\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u9593\u3092\u79fb\u52d5\u3059\u308b\u969b\u306b\u3082\u4f7f\u3044\u6163\u308c\u305fReact\u30a2\u30d7\u30ea\u306e\u4e00\u8cab\u3057\u305f\u69cb\u9020\u304c\u5f97\u3089\u308c\u307e\u3059\u3002.<\/p>\n<p>\u65b0\u3057\u3044 React \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306e\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>npx create-react-app my-new-app\r\ncd my-new-app\r\nnpm start\r\n<\/code><\/pre>\n<\/div>\n<h2 id=\"%d9%85%d8%ab%d8%a7%d9%84-%d9%87%d8%a7%db%8c-react-js\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"624\"  height=\"422\"  class=\"aligncenter wp-image-14742 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 624px) 100vw, 624px\"  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id=\"%d9%81%db%8c%d8%b3%d8%a8%d9%88%da%a9\">\u30d5\u30a7\u30a4\u30b9\u30d6\u30c3\u30af<\/h5>\n<p>React.js\u306e\u8d77\u6e90\u3067\u3042\u308bFacebook\u306f\u3001\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u512a\u308c\u305f\u5b9f\u529b\u3092\u793a\u3059\u597d\u4f8b\u3067\u3059\u3002React\u306f\u3001\u3044\u3044\u306d\u3001\u30b3\u30e1\u30f3\u30c8\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u66f4\u65b0\u3068\u3044\u3063\u305f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6a5f\u80fd\u3092\u7c21\u7d20\u5316\u3057\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u3067\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306a\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002React\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u6027\u306f\u3001Facebook\u306e\u7d76\u3048\u305a\u9032\u5316\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u652f\u3048\u3001\u6708\u959328\u5104\u4eba\u3092\u8d85\u3048\u308b\u30a2\u30af\u30c6\u30a3\u30d6\u30e6\u30fc\u30b6\u30fc\u306e\u30cb\u30fc\u30ba\u306b\u9069\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h5 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Web\u306f\u3001React.js\u3067\u69cb\u7bc9\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u8981\u7d20\u304c\u6563\u308a\u3070\u3081\u3089\u308c\u305f\u30ad\u30e3\u30f3\u30d0\u30b9\u3067\u3059\u3002\u30b9\u30c8\u30fc\u30ea\u30fc\u30d3\u30e5\u30fc\u3084\u30c0\u30a4\u30ec\u30af\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u306a\u3069\u3001\u3042\u3089\u3086\u308b\u753b\u50cf\u304c\u3001\u8907\u96d1\u306a\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u8fc5\u901f\u306b\u51e6\u7406\u3059\u308bReact\u306e\u80fd\u529b\u3092\u969b\u7acb\u305f\u305b\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u7f8e\u3057\u304f\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001React\u304c\u9ad8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3059\u308b\u80fd\u529b\u3092\u8a3c\u660e\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h5 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