{"id":5236,"date":"2026-02-23T17:29:54","date_gmt":"2026-02-23T08:29:54","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=5236"},"modified":"2026-02-23T17:38:27","modified_gmt":"2026-02-23T08:38:27","slug":"%e7%89%b9%e5%ae%9a%e3%81%ae%e8%a6%81%e7%b4%a0%e3%82%92%e6%8a%bc%e4%b8%8b%e3%81%97%e3%81%9f%e3%81%8b%e3%81%a9%e3%81%86%e3%81%8b%e3%81%ae%e5%88%a4%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=5236","title":{"rendered":"\u7279\u5b9a\u306e\u8981\u7d20\u3092\u62bc\u4e0b\u3057\u305f\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a"},"content":{"rendered":"\n<p>\u7279\u5b9a\u306e\u8981\u7d20\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u51e6\u7406\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<h1 class=\"wp-block-heading\">\u5b9f\u73fe\u3057\u305f\u3044\u3053\u3068<\/h1>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u7279\u5b9a\u306e\u8981\u7d20\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u8981\u7d20\u306e\u8272\u304c\u5909\u308f\u308a\u3001\u305d\u308c\u4ee5\u5916\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u8272\u304c\u623b\u308b\u3088\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n\n\n\n<style>\n.sample {\n  width: 100px;\n  height: 100px;\n  background-color: blue;\n}\n\n.red {\n  background-color: red;\n}\n<\/style>\n\n<div id='test' class=\"sample\"><\/div>\n\n<script>\n\/\/ \u7279\u5b9a\u306e\u8981\u7d20\u306e\u8272\u3092\u5207\u308a\u66ff\u3048\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u8a2d\u5b9a\nconst test = document.getElementById('test');\ntest.addEventListener('click', function (e) {\n  test.classList.add('red');\n});\n\n\/\/ \u7279\u5b9a\u306e\u8981\u7d20\u4ee5\u5916\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a\u3092\u884c\u3044\u3001\n\/\/ \u7279\u5b9a\u306e\u8981\u7d20\u4ee5\u5916\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3089\u3001\u8981\u7d20\u306e\u8272\u3092\u5143\u306b\u623b\u3059\ndocument.addEventListener('click', function (e) {  \n  if(!e.target.closest('#test')){\n    const test = document.getElementById('test');\n    test.classList.remove('red');\n  }\n});\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">\u5b9f\u88c5<\/h1>\n\n\n\n<p><strong>HTML<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;div id=&#39;test&#39; 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