{"id":454164,"date":"2024-03-07T13:33:37","date_gmt":"2024-03-07T12:33:37","guid":{"rendered":"https:\/\/blog.jetbrains.com\/webstorm\/2024\/02\/js-and-ts-trends-2024\/"},"modified":"2024-03-07T13:33:42","modified_gmt":"2024-03-07T12:33:42","slug":"js-and-ts-trends-2024","status":"publish","type":"webstorm","link":"https:\/\/blog.jetbrains.com\/ja\/webstorm\/2024\/03\/js-and-ts-trends-2024\/","title":{"rendered":"2024 \u5e74\u306e JavaScript \u3068 TypeScript \u306e\u30c8\u30ec\u30f3\u30c9: \u958b\u767a\u8005\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u30a4\u30f3\u30b5\u30a4\u30c8"},"content":{"rendered":"<p>JetBrains \u306f\u904e\u53bb 7 \u5e74\u9593\u306b\u308f\u305f\u308a\u3001\u5909\u5316\u3057\u7d9a\u3051\u308b\u958b\u767a\u8005\u306e\u72b6\u6cc1\u3068\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u4e3b\u8981\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u95a2\u9023\u4ed8\u3051\u308b\u305f\u3081\u306b<a href=\"https:\/\/www.jetbrains.com\/ja-jp\/lp\/devecosystem-2023\/\" target=\"_blank\" rel=\"noopener\">\u958b\u767a\u8005\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u30a2\u30f3\u30b1\u30fc\u30c8<\/a>\u3092\u5b9f\u65bd\u3057\u3066\u304d\u307e\u3057\u305f\u3002 \u305d\u306e\u7d50\u679c\u306f\u751f\u30c7\u30fc\u30bf\u3068\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u306e\u4e21\u65b9\u306e\u5f62\u5f0f\u3067\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u5171\u6709\u3055\u308c\u3001\u3059\u3079\u3066\u306e\u95a2\u4fc2\u8005\u304c\u3053\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u72b6\u6cc1\u3092\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u672c\u65e5\u306f\u4eca\u5e74\u306e\u8abf\u67fb\u7d50\u679c\u3092 <a href=\"https:\/\/www.jetbrains.com\/ja-jp\/lp\/devecosystem-2023\/javascript\/\" target=\"_blank\" rel=\"noopener\">JavaScript \u3068 TypeScript<\/a> \u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u78ba\u8a8d\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u6982\u8981<\/h2>\n<p>2023 \u5e74\u306e\u958b\u767a\u8005\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u30a2\u30f3\u30b1\u30fc\u30c8\u3067\u306f\u3001\u4e16\u754c\u4e2d\u306e <strong>26,348 \u4eba\u306e\u958b\u767a\u8005<\/strong>\u304b\u3089\u30a4\u30f3\u30b5\u30a4\u30c8\u3092\u53ce\u96c6\u3057\u307e\u3057\u305f\u3002 \u3053\u306e\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u7d50\u679c\u3092\u81ea\u5206\u3067\u78ba\u8a8d\u3057\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3084\u30c4\u30fc\u30eb\u3001\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304b\u3089\u56de\u7b54\u8005\u306b\u95a2\u3059\u308b\u6709\u7528\u306a\u60c5\u5831\u3084\u8c46\u60c5\u5831\u306b\u81f3\u308b\u307e\u3067\u5e83\u7bc4\u306a\u30c8\u30d4\u30c3\u30af\u3092\u7db2\u7f85\u3057\u305f\u60c5\u5831\u3092\u5165\u624b\u3067\u304d\u307e\u3059\u3002 \u79c1\u305f\u3061\u306f\u958b\u767a\u8005\u72ec\u7279\u306e\u30e9\u30a4\u30d5\u30b9\u30bf\u30a4\u30eb\u306b\u3082\u6ce8\u76ee\u3057\u3001\u305d\u306e\u60c5\u71b1\u3084\u8208\u5473\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002 \u30a2\u30f3\u30b1\u30fc\u30c8\u306f\u3067\u304d\u308b\u3060\u3051\u516c\u6b63\u304b\u3064\u4ee3\u8868\u7684\u306a\u3082\u306e\u306b\u3059\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u3092\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3057\u3066\u30d0\u30a4\u30a2\u30b9\u3092\u6392\u9664\u3059\u308b\u305f\u3081\u306e\u8907\u6570\u306e\u6bb5\u968e\u3092\u542b\u3080\u65b9\u6cd5\u3067\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002 <a href=\"https:\/\/www.jetbrains.com\/ja-jp\/lp\/devecosystem-2023\/methodology\/\" target=\"_blank\" rel=\"noopener\">\u5b9f\u969b\u306b\u4f7f\u7528\u3057\u305f\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\">JavaScript \u306e\u30a4\u30f3\u30b5\u30a4\u30c8<\/h2>\n<h3 class=\"wp-block-heading\">JavaScript \u306e\u4f7f\u7528\u306b\u95a2\u3059\u308b\u30c8\u30ec\u30f3\u30c9<\/h3>\n<p>\u4eca\u56de\u3082 JavaScript \u304c 2023 \u5e74\u306b\u6700\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u3044\u3046\u7d50\u679c\u306b\u306a\u308a\u307e\u3057\u305f\u30027 \u5e74\u9023\u7d9a\u3067\u4f7f\u7528\u8a00\u8a9e\u306e\u30c8\u30c3\u30d7\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u308c\u306f\u3001JavaScript \u304c\u591a\u304f\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a6\u30a7\u30d6\u958b\u767a\u306e\u539f\u52d5\u529b\u3068\u306a\u308b\u969c\u58c1\u306e\u4f4e\u3044\u8a00\u8a9e\u3067\u3042\u308b\u305f\u3081\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002 \u8208\u5473\u6df1\u3044\u3053\u3068\u306b\u3001\u305d\u306e\u30b7\u30a7\u30a2\u306f\u3053\u3053 3 \u5e74\u9593\u6bce\u5e74\u5c11\u3057\u305a\u3064\u4f4e\u4e0b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4f4e\u4e0b\u306f TypeScript \u306e\u63a1\u7528\u304c\u5897\u3048\u308b\u3068\u540c\u6642\u306b\u767a\u751f\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5c06\u6765\u7684\u306a\u5909\u5316\u306e\u5146\u3057\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-444268\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/02\/Usage-trends.png\" alt=\"\" width=\"1600\" height=\"800\" \/><\/figure>\n<h3 class=\"wp-block-heading\">JavaScript \u30e6\u30fc\u30b6\u30fc\u304c\u3088\u304f\u958b\u767a\u3057\u3066\u3044\u308b\u3082\u306e<\/h3>\n<p>JavaScript \u958b\u767a\u8005\u306e 80% \u306f\u4e3b\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002 JavaScript \u3067 2 \u756a\u76ee\u306b\u3088\u304f\u958b\u767a\u3055\u308c\u3066\u3044\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u88fd\u54c1\u306f\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\uff08\u5c0f\u3055\u306a\u30bf\u30b9\u30af\u306b\u4f7f\u7528\u3059\u308b\u5c0f\u3055\u306a\u30a2\u30d7\u30ea\uff09\u3067\u3059\u3002 \u305d\u306e\u4ed6\u306e\u7a2e\u985e\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u958b\u767a\u306b JavaScript \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u4eba\u306f\u308f\u305a\u304b\u3067\u3057\u305f\u3002 \u30c7\u30fc\u30bf\u3092\u4e3b\u306b 2 \u3064\u306e\u958b\u767a\u90e8\u9580\u306b\u5206\u3051\u308b\u3068\u3001JavaScript \u958b\u767a\u8005\u306e 86% \u304c\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u300134% \u304c\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u3082\u5f93\u4e8b\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-444279\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/02\/JS-TS-Develop.png\" alt=\"\" width=\"1600\" height=\"800\" \/><\/figure>\n<h3 class=\"wp-block-heading\">JavaScript \u3068 TypeScript \u306e\u30b3\u30fc\u30c9\u30a8\u30c7\u30a3\u30bf\u30fc\u3068 IDE<\/h3>\n<p><a href=\"https:\/\/www.jetbrains.com\/ja-jp\/lp\/devecosystem-2023\/javascript\/#js_ide\" target=\"_blank\" rel=\"noopener\">\u30a2\u30f3\u30b1\u30fc\u30c8\u306e\u7d50\u679c<\/a>\u3088\u308a\u3001\u56de\u7b54\u8005\u306e\u5927\u534a\uff0851\uff05\uff09\u304c JavaScript \u3068 TypeScript \u306e\u958b\u767a\u306b Visual Studio Code \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002 2 \u756a\u76ee\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30c4\u30fc\u30eb\u306f WebStorm\uff0821%\uff09\u3067\u3001\u50c5\u5dee\u3067\u300c\u5225\u306e IntelliJ \u30d9\u30fc\u30b9 IDE\u300d\uff0816%\uff09\u304c\u7d9a\u3044\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u56de\u7b54\u306b\u306f PyCharm\u3001IntelliJ IDEA\u3001GoLand\u3001\u304a\u3088\u3073 PhpStorm \u306a\u3069\u306e<a href=\"https:\/\/www.jetbrains.com\/ja-jp\/ides\/\" target=\"_blank\" rel=\"noopener\">\u5404\u7a2e JetBrains IDE \u88fd\u54c1<\/a>\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-444316\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/02\/Popular-JS-TS-tools-1.png\" alt=\"\" width=\"1600\" height=\"800\" \/><\/figure>\n<p>\u30b3\u30fc\u30c9\u30a8\u30c7\u30a3\u30bf\u30fc\u3068 IDE \u306e\u3069\u3061\u3089\u3092\u4f7f\u7528\u3059\u3079\u304d\u304b\u8ff7\u3063\u3066\u3044\u308b\u306a\u3089\u3001\u305d\u306e\u7b54\u3048\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u4e21\u65b9\u3092\u4f7f\u7528\u3057\u3001\u4f5c\u696d\u4e2d\u306e\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u3066\u5207\u308a\u66ff\u3048\u308c\u3070\u3044\u3044\u306e\u3067\u3059\u3002 \u30b3\u30fc\u30c9\u30a8\u30c7\u30a3\u30bf\u30fc\u306f\u7c21\u5358\u306a\u7de8\u96c6\u3084\u6bd4\u8f03\u7684\u5c0f\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u8907\u96d1\u306a\u30bf\u30b9\u30af\u306b\u53d6\u308a\u7d44\u3080\u5834\u5408\u306f IDE \u306e\u65b9\u304c\u983c\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\">JavaScript \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u597d\u307f<\/h3>\n<p>JavaScript \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306f JavaScript \u958b\u767a\u8005\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u5185\u3067\u666e\u53ca\u3057\u3066\u304a\u308a\u3001\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u3068\u56de\u7b54\u3057\u305f JavaScript \u958b\u767a\u8005\u306f\u308f\u305a\u304b 8% \u3067\u3057\u305f\u3002 \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u8907\u96d1\u306a\u5bfe\u8a71\u578b\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u3092\u5358\u7d14\u5316\u3059\u308b\u30c4\u30fc\u30eb\u3068\u69cb\u9020\u3092\u958b\u767a\u8005\u306b\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u3046\u3061\u3001\u660e\u3089\u304b\u306b\u4eba\u6c17\u306a\u306e\u306f React \u3067\u3042\u308a\u3001JavaScript \u958b\u767a\u8005\u306e 57% \u304c\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 \u30a2\u30f3\u30b1\u30fc\u30c8\u306b\u3088\u308b\u3068\u30012 \u756a\u76ee\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u306f Vue\uff0832%\uff09\u3067\u30013 \u756a\u76ee\u306f Next.js\uff0827%\uff09\u3067\u3057\u305f\u3002 Angular \u3068 Express\uff0820%\uff09\u306f\u3068\u3082\u306b 4 \u4f4d\u3067\u4e26\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-444409\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/02\/Frameworks-and-libraries-1.png\" alt=\"\" width=\"1588\" height=\"800\" \/><\/figure>\n<p>\u901a\u5e38\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u958b\u767a\u3067\u6700\u3082\u4e00\u822c\u7684\u306a 3 \u5927\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f React\u3001Angular\u3001Vue \u3067\u3059\u3002 \u3069\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u4e3b\u306b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5177\u4f53\u7684\u306a\u8981\u4ef6\u3068\u30c1\u30fc\u30e0\u306e\u597d\u307f\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n<h4 class=\"wp-block-heading\">React \u304c\u6700\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308b\u7406\u7531<\/h4>\n<ul>\n<li>React \u306f 2013 \u5e74 5 \u6708 29 \u65e5\u306b\u521d\u3081\u3066\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002 \u5e02\u5834\u306b\u51fa\u305f\u6700\u521d\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u6982\u3057\u3066\u78ba\u304b\u306a\u5b9f\u7e3e\u3092\u6301\u3064\u6700\u521d\u306e\u5927\u304d\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308b\u3053\u3068\u304c\u6709\u5229\u306b\u50cd\u304d\u307e\u3057\u305f\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u65e9\u671f\u306e\u5927\u91cf\u63a1\u7528\u304c\u59cb\u307e\u308a\u307e\u3057\u305f\u3002 \u3053\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u9032\u5316\u3057\u7d9a\u3051\u3066\u3044\u308b\u305f\u3081\u3001\u65e9\u3044\u6bb5\u968e\u3067\u7fd2\u5f97\u3057\u305f\u958b\u767a\u8005\u306f\u305d\u306e\u307e\u307e\u4f7f\u7528\u3092\u7d99\u7d9a\u3067\u304d\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<ul>\n<li>React \u306f\u4ed6\u306e UI \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u540c\u69d8\u3001UI \u304c\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c4\u30ea\u30fc\u3068\u3057\u3066\u69cb\u7bc9\u3055\u308c\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30d9\u30fc\u30b9\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u65b9\u5f0f\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u306e\u7ba1\u7406\u3068\u4fdd\u5b88\u3060\u3051\u3067\u306a\u304f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5404\u6240\u3067\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3092\u7c21\u5358\u306b\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>React \u306f JavaScript \u306e\u62e1\u5f35\u69cb\u6587\u3067\u3042\u308b JSX \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 JSX \u3067\u306f\u958b\u767a\u8005\u304c HTML \u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092 JavaScript \u5185\u3067\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u95a2\u9023\u3059\u308b\u6982\u5ff5\u306b\u7cbe\u901a\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5feb\u9069\u306b\u958b\u767a\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>React \u306f\u67d4\u8edf\u6027\u306b\u512a\u308c\u3066\u304a\u308a\u3001\u5c0f\u3055\u306a\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u5927\u898f\u6a21\u3067\u8907\u96d1\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u81f3\u308b\u307e\u3067\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30bf\u30a4\u30d7\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u305d\u306e\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u591a\u69d8\u306a\u958b\u767a\u30b7\u30ca\u30ea\u30aa\u306b\u9069\u3057\u305f\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">\u30e2\u30b8\u30e5\u30fc\u30eb\u30d0\u30f3\u30c9\u30e9\u30fc<\/h2>\n<p>\u30e2\u30b8\u30e5\u30fc\u30eb\u30d0\u30f3\u30c9\u30e9\u30fc\u306f JavaScript \u958b\u767a\u8005\u306b\u3068\u3063\u3066\u6709\u76ca\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u3068\u30a2\u30bb\u30c3\u30c8\u3092\u4e92\u3044\u306b\u8a8d\u8b58\u3057\u5408\u3046\u3088\u3046\u306b\u30d0\u30f3\u30c9\u30eb\u3067\u304d\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002 \u30e2\u30b8\u30e5\u30fc\u30eb\u30d0\u30f3\u30c9\u30e9\u30fc\u306f\u30ea\u30be\u30eb\u30d0\u30fc\u3068\u540c\u69d8\u3001\u4e00\u822c\u7684\u306b\u306f\u521d\u671f\u5316\u6642\u306b\u3059\u3079\u3066\u306e\u4f9d\u5b58\u95a2\u4fc2\u304c\u6a5f\u80fd\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u4f7f\u7528\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 \u305d\u306e\u5f8c\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u306e\u5404\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3057\u3066\u4f9d\u5b58\u95a2\u4fc2\u30b0\u30e9\u30d5\u3092\u69cb\u7bc9\u3059\u308b\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u30d0\u30f3\u30c9\u30e9\u30fc\u306f\u3053\u306e\u3088\u3046\u306a\u8907\u6570\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092 \u2018output\u2019 \u69cb\u6210\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067\u6307\u5b9a\u3055\u308c\u305f 1 \u3064\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u7d71\u5408\u3057\u3001\u5fc5\u8981\u306a\u5834\u5408\u306b\u6b63\u3057\u304f\u547c\u3073\u51fa\u3057\/\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u3079\u3066\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-444420\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/02\/module-bundlers-1.png\" alt=\"\" width=\"1588\" height=\"800\" \/><\/figure>\n<p>2023 \u5e74\u306b 1 \u4f4d\u3068\u306a\u3063\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u30d0\u30f3\u30c9\u30e9\u30fc\u306f webpack \u3067\u3001JavaScript \u958b\u767a\u8005\u306e 57% \u304c\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002 webpack \u306f\u7d04 10 \u5e74\u524d\u304b\u3089\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u7d76\u3048\u305a\u9032\u5316\u3057\u306a\u304c\u3089\u5909\u5316\u3057\u7d9a\u3051\u308b\u958b\u767a\u8005\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002 \u3067\u3059\u304c\u3001\u3088\u308a\u6700\u5c0f\u9650\u306e\u69cb\u6210\u306b\u3088\u308a\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6c42\u3081\u308b\u958b\u767a\u8005\u304c\u5897\u3048\u3066\u3044\u308b\u305f\u3081\u3001Vite\uff0838%\uff09\u3084 esbuild\uff0811%\uff09\u306a\u3069\u306e\u4ee3\u66ff\u624b\u6bb5\u304c\u5e83\u304f\u63a1\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8<\/h2>\n<p>WebStorm \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30a2\u30c9\u30dc\u30b1\u30a4\u30c8\u306e <a href=\"https:\/\/twitter.com\/niklas_wortmann\" target=\"_blank\" rel=\"noopener\">Jan Niklas Wortmann<\/a> \u306f\u5931\u671b\u3057\u3066\u3044\u305f\u3068\u304a\u308a\u3001\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u306f JavaScript \u958b\u767a\u8005\u306e\u9593\u3067\u306f\u307e\u3063\u305f\u304f\u4e00\u822c\u7684\u3067\u306f\u306a\u304f\u3001\u56de\u7b54\u8005\u306e 32% \u304c\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002 \u4f5c\u6210\u3057\u3066\u3044\u308b\u56de\u7b54\u8005\u306e\u5927\u591a\u6570\u306f Jest \u3092\u9078\u3093\u3067\u304a\u308a\u300140% \u3092\u5360\u3081\u3066\u3044\u307e\u3057\u305f\u3002 Cypress \u306f 15% \u3067 2 \u756a\u76ee\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3001Mocha\u3001Vitest\u3001\u304a\u3088\u3073 Playwright \u306f 10% \u7a0b\u5ea6\u304c\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002 Jest \u306f\u6982\u3057\u3066\u7c21\u5358\u3067\u3042\u308a\u3001\u904b\u7528\u306b\u4e57\u305b\u308b\u305f\u3081\u306b\u69cb\u6210\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u5927\u304d\u306a\u7406\u7531\u306f\u305d\u308c\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u3068\u3063\u3064\u304d\u306b\u304f\u304f\u611f\u3058\u3089\u308c\u3001\u63a1\u7528\u3059\u308b\u969b\u306e\u969c\u58c1\u304c\u9ad8\u3044\u306e\u3067\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-444380\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/02\/Unit-testing3.png\" alt=\"\" width=\"1600\" height=\"800\" \/><\/figure>\n<h3 class=\"wp-block-heading\">JavaScript \u958b\u767a\u8005\u304c\u76f4\u9762\u3057\u3066\u3044\u308b\u8ab2\u984c<\/h3>\n<p>JavaScript \u306b\u306f\u4f9d\u7136\u3068\u3057\u3066\u56fa\u6709\u306e\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306f\u305d\u306e\u5bfe\u5fdc\u306b\u7d99\u7d9a\u3057\u3066\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u975e\u540c\u671f\u30e2\u30c7\u30eb\u306f async\/await \u306e\u5c0e\u5165\u306b\u3088\u3063\u3066\u6539\u5584\u3055\u308c\u307e\u3057\u305f\u3002 \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u30ea\u30ea\u30fc\u30b9\u983b\u5ea6\u306f\u4f4e\u4e0b\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u3092\u8ffd\u3046\u306e\u306b\u75b2\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002\u4e3b\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u4e92\u3044\u306b\u611f\u5316\u3057\u306a\u304c\u3089\u6210\u719f\u3057\u3066\u3044\u3063\u3066\u3044\u308b\u72b6\u6cc1\u3067\u3059\u3002 \u597d\u304d\u5acc\u3044\u306b\u95a2\u4fc2\u306a\u304f\u3001JavaScript \u306b\u306f\u5f37\u529b\u306a\u578b\u4ed8\u3051\u306e\u4ed5\u7d44\u307f\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u5f15\u304d\u7d9a\u304d\u89e3\u6c7a\u304c\u5fc5\u8981\u306a\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001TypeScript \u304c\u73fe\u308f\u308c\u305f\u3053\u3068\u3067\u3001\u958b\u767a\u8005\u306f\u7c21\u5358\u306b\u5b9f\u88c5\u53ef\u80fd\u306a\u4ee3\u66ff\u624b\u6bb5\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2 class=\"wp-block-heading\">TypeScript \u306e\u30a4\u30f3\u30b5\u30a4\u30c8<\/h2>\n<h3 class=\"wp-block-heading\">TypeScript \u306e\u63a1\u7528\u3068\u6210\u9577<\/h3>\n<p>JavaScript \u306f\u958b\u767a\u8005\u304c\u983b\u7e6b\u304b\u3064\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3057\u3066\u304d\u305f\u52d5\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u5b9f\u884c\u6642\u306b\u306e\u307f\u30a8\u30e9\u30fc\u304c\u767a\u898b\u3055\u308c\u308b\u3053\u3068\u304c\u5e83\u304f\u53d7\u3051\u5165\u308c\u3089\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \u73fe\u5728\u306f\u5168\u4f53\u7684\u306a\u958b\u767a\u8005\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3001\u958b\u767a\u8005\u304c\u30b3\u30fc\u30c9\u306b\u81ea\u4fe1\u3092\u6301\u3066\u308b\u3088\u308a\u578b\u5b89\u5168\u306a TypeScript \u3078\u306e\u79fb\u884c\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002 \u3053\u306e\u4e8b\u5b9f\u306f TypeScript \u306e\u63a1\u7528\u304c\u5e74\u3005\u5897\u52a0\u3057\u3066\u3044\u308b\u3053\u3068\u3060\u3051\u3067\u306a\u304f\u3001\u958b\u767a\u8005\u304c TypeScript \u3092\u4f7f\u7528\u3059\u308b\u76ee\u7684\u304c JavaScript \u3068\u91cd\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3082\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-444391\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2024\/02\/ts-vs-js.png\" alt=\"\" width=\"1600\" height=\"802\" \/><\/figure>\n<h3 class=\"wp-block-heading\">JavaScript \u304b\u3089 TypeScript \u306b\u5207\u308a\u66ff\u3048\u308b\u7406\u7531<\/h3>\n<p>TypeScript \u306f\u9759\u7684\u578b\u4ed8\u3051\u304c\u5099\u308f\u3063\u305f JavaScript \u306e\u30b9\u30fc\u30d1\u30fc\u30bb\u30c3\u30c8\u3067\u3042\u308a\u3001JavaScript \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3068\u306e\u4e92\u63db\u6027\u3092\u7dad\u6301\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u65e2\u5b58\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u6bb5\u968e\u7684\u306b\u79fb\u884c\u3059\u308b\u306e\u306b\u3082\u4fbf\u5229\u3067\u3059\u3002 TypeScript \u3082 <a href=\"https:\/\/tc39.es\/ecma262\/\" target=\"_blank\" rel=\"noopener\">ECMAScript \u898f\u683c<\/a>\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u306f\u6700\u65b0\u306e JavaScript \u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 \u3064\u307e\u308a\u3001\u958b\u767a\u8005\u306f\u672a\u6765\u306e JavaScript \u4ed5\u69d8\u306e\u6a5f\u80fd\u3092\u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u5e83\u304f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u524d\u304b\u3089\u4f7f\u7528\u3067\u304d\u308b\u306e\u3067\u3059\u3002 TypeScript \u306e\u73fe\u5728\u306e\u5b89\u5b9a\u7248\u30ea\u30ea\u30fc\u30b9\u306f <a href=\"https:\/\/devblogs.microsoft.com\/typescript\/announcing-typescript-5-3\/\" target=\"_blank\" rel=\"noopener\">5.3.2<\/a> \u3067\u30012024 \u5e74 3 \u6708\u306b\u306f <a href=\"https:\/\/devblogs.microsoft.com\/typescript\/announcing-typescript-5-4-beta\/\" target=\"_blank\" rel=\"noopener\">TypeScript 5.4<\/a> \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n<p>JavaScript \u3068 TypeScript \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306f\u9032\u5316\u3057\u7d9a\u3051\u307e\u3059\u3002 <a href=\"https:\/\/hackernoon.com\/how-it-feels-to-learn-javascript-in-2016-d3a717dd577f\" target=\"_blank\" rel=\"noopener\">2016 \u5e74<\/a>\u5f53\u6642\u3068\u306f\u307e\u3063\u305f\u304f\u7570\u306a\u308a\u3001\u73fe\u5728\u306f\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3001\u8a00\u8a9e\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u6210\u719f\u3057\u59cb\u3081\u3066\u304a\u308a\u3001\u958b\u767a\u8005\u306e\u597d\u307f\u306b\u5171\u901a\u70b9\u3084\u50be\u5411\u304c\u73fe\u308c\u3064\u3064\u3042\u308a\u307e\u3059\u3002 WebStorm \u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u306f\u958b\u767a\u8005\u304c\u30b3\u30fc\u30c9\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3057\u3001JavaScript \u3084 TypeScript \u3092\u52b9\u679c\u7684\u306b\u6271\u3048\u308b\u3088\u3046\u306b\u6210\u9577\u3068\u6539\u5584\u3092\u7d9a\u3051\u3066\u3044\u304f\u3067\u3057\u3087\u3046\u3002 \u5f0a\u793e\u306f\u3053\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u554f\u984c\u3084\u9650\u754c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u3001\u65b0\u3057\u304f\u9769\u65b0\u7684\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u958b\u767a\u3055\u308c\u7d9a\u3051\u308b\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u76ee\u6a19\u3092\u5ff5\u982d\u306b\u7f6e\u304d\u3001\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3068\u79c1\u305f\u3061\u3068\u540c\u3058\u958b\u767a\u8005\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u88fd\u54c1\u3092\u66f4\u65b0\u3057\u7d9a\u3051\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<p><strong>\u30aa\u30ea\u30b8\u30ca\u30eb\uff08\u82f1\u8a9e\uff09\u30d6\u30ed\u30b0\u6295\u7a3f\u8a18\u4e8b\u306e\u4f5c\u8005\uff1a<\/strong><\/p>\n\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"author":1394,"featured_media":454175,"comment_status":"closed","ping_status":"closed","template":"","categories":[6711],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/webstorm\/454164"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/webstorm"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/types\/webstorm"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/users\/1394"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/comments?post=454164"}],"version-history":[{"count":10,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/webstorm\/454164\/revisions"}],"predecessor-version":[{"id":454308,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/webstorm\/454164\/revisions\/454308"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media\/454175"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media?parent=454164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/categories?post=454164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/tags?post=454164"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/cross-post-tag?post=454164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}