{"id":8302,"date":"2025-07-09T23:50:53","date_gmt":"2025-07-09T14:50:53","guid":{"rendered":"https:\/\/code-plus.jp\/gp\/?p=8302"},"modified":"2026-01-08T11:13:16","modified_gmt":"2026-01-08T02:13:16","slug":"inppend-toc-8302","status":"publish","type":"post","link":"https:\/\/code-plus.jp\/gp\/inppend-toc-8302\/","title":{"rendered":"JavaScript\u3067\u76ee\u6b21\u751f\u6210\u300cinppend-toc.js\u300d<br> - \u30b9\u30af\u30ed\u30fc\u30eb\u9023\u52d5\u30fb\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\u5bfe\u5fdc -"},"content":{"rendered":"<p>\u4eca\u56de\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306aHTML\u3068JavaScript\u3060\u3051\u3067\u3001Web\u30da\u30fc\u30b8\u306b\u76ee\u6b21\uff08TOC: Table of Contents \u306e\u7565\uff09\u3092\u5b9f\u88c5\u3001<b class=\"fw-600\">\u898b\u51fa\u3057\u304b\u3089\u76ee\u6b21\u3092\u81ea\u52d5\u751f\u6210<\/b> \u3067\u304d\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u300c<b class=\"fw-600\">inppend-toc.js<\/b>\u300d\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\r\n<\/p>\r\n\r\n<p class=\"mt-1r\"><b class=\"fw-600\">\u30b5\u30f3\u30d7\u30eb<\/b><br \/>\r\n<iframe height=\"300\" style=\"width:100%;\" scrolling=\"no\" title=\"\u3010CSS\u3011alphonse-capsLists.css\uff08\u30bb\u30ec\u30af\u30bf[style*=&quot;&quot;] \u6307\u5b9a\u306b\u3088\u308b\u30ea\u30b9\u30c8\u3068\u884c\u982d\u6587\u5b57\u30fb\u884c\u672b\u6587\u5b57\uff09\" src=\"https:\/\/codepen.io\/sarap422\/embed\/KKQWewZ?theme-id=25176&amp;default-tab=result&amp;editable=true\" frameborder=\"no\" loading=\"lazy\" allowtransparency=\"true\" allowfullscreen=\"true\">See the Pen <a href='https:\/\/codepen.io\/sarap422\/pen\/KKQWewZ'>\u3010CSS\u3011alphonse-capsLists.css\uff08\u30bb\u30ec\u30af\u30bf[style*=&quot;&quot;] \u6307\u5b9a\u306b\u3088\u308b\u30ea\u30b9\u30c8\u3068\u884c\u982d\u6587\u5b57\u30fb\u884c\u672b\u6587\u5b57\uff09<\/a> by sarap422 (<a href='https:\/\/codepen.io\/sarap422'>@sarap422<\/a>)on <a href='https:\/\/codepen.io'>CodePen<\/a>.<\/iframe>\r\n<\/p>\r\n\r\n\r\n<!-- \u2605\u76ee\u6b21\u30ea\u30b9\u30c8 -->\r\n<ul class=\"tocList mt-2r\" data-toc-id=\"js-tocBWGD\"><\/ul>\r\n<ins class=\"tocBtn is-fixed\" data-toc-id=\"js-tocBWGD\"><\/ins>\r\n\r\n\r\n\r\n\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n\r\n\r\n<h2 class=\"fz-xl\">\u306a\u305cJavaScript\u3067\u76ee\u6b21\u3092\u4f5c\u308b\u306e\u304b\uff1f<\/h2>\r\n\r\n<h3 class=\"fz-ml\">\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u2705 <b class=\"fw-600\">\u9577\u6587\u8a18\u4e8b\u3067\u3082\u8ff7\u308f\u306a\u3044<\/b> - \u5168\u4f53\u69cb\u9020\u304c\u4e00\u76ee\u3067\u5206\u304b\u308b<\/li>\r\n  <li>\u2705 <b class=\"fw-600\">\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u30b8\u30e3\u30f3\u30d7<\/b> - \u8aad\u307f\u305f\u3044\u7b87\u6240\u3078\u77ac\u6642\u306b\u79fb\u52d5<\/li>\r\n  <li>\u2705 <b class=\"fw-600\">\u73fe\u5728\u5730\u304c\u5206\u304b\u308b<\/b> - \u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\u3067\u8aad\u3093\u3067\u3044\u308b\u5834\u6240\u3092\u5f37\u8abf<\/li>\r\n<\/ul>\r\n\r\n<h3 class=\"fz-ml\">\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u2705 <b class=\"fw-600\">WordPress\u306b\u4f9d\u5b58\u3057\u306a\u3044<\/b> - CodePen\u3084GitHub Pages\u3067\u3082\u4f7f\u7528\u53ef\u80fd<\/li>\r\n  <li>\u2705 <b class=\"fw-600\">\u4e00\u5ea6\u4f5c\u308c\u3070\u4f7f\u3044\u56de\u3057\u653e\u984c<\/b> - \u3069\u3093\u306a\u30b5\u30a4\u30c8\u3067\u3082\u5373\u5ea7\u306b\u5c0e\u5165<\/li>\r\n  <li>\u2705 <b class=\"fw-600\">\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u304c\u81ea\u7531\u81ea\u5728<\/b> - h2\u3068h3\u3067\u30b9\u30bf\u30a4\u30eb\u3092\u5206\u3051\u308b\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u306a\u3069<\/li>\r\n  <li>\u2705 <b class=\"fw-600\">\u8907\u6570\u76ee\u6b21\u5bfe\u5fdc<\/b> - \u540c\u4e00\u30da\u30fc\u30b8\u3067\u8907\u6570\u306e\u76ee\u6b21\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u7ba1\u7406\u53ef\u80fd<\/li>\r\n  <li>\u2705 <b class=\"fw-600\">SEO\u52b9\u679c<\/b> - \u69cb\u9020\u5316\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306b\u597d\u307e\u308c\u308b<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n<h2 class=\"fz-xl\">inppend-toc.js \u306e\u7279\u5fb4<\/h2>\r\n\r\n<h3 class=\"fz-ml\">\u4e3b\u8981\u6a5f\u80fd<\/h3>\r\n<table class=\"table tbl-responsive\">\r\n  <thead>\r\n    <tr class=\"rung\">\r\n      <th>\u6a5f\u80fd<\/th>\r\n      <td>\u8aac\u660e<\/td>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr class=\"rung\">\r\n      <th><b class=\"fw-600\">\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8<\/b><\/th>\r\n      <td>\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u306b\u5fdc\u3058\u3066\u73fe\u5728\u306e\u898b\u51fa\u3057\u3092\u5f37\u8abf\u8868\u793a<\/td>\r\n    <\/tr>\r\n    <tr class=\"rung\">\r\n      <th><b class=\"fw-600\">\u30b9\u30e0\u30fc\u30b9\u30b9\u30af\u30ed\u30fc\u30eb<\/b><\/th>\r\n      <td>anime.js \u5bfe\u5fdc + \u72ec\u81ea\u306e\u30ab\u30b9\u30bf\u30e0\u5b9f\u88c5<\/td>\r\n    <\/tr>\r\n    <tr class=\"rung\">\r\n      <th><b class=\"fw-600\">\u968e\u5c64\u69cb\u9020\u5bfe\u5fdc<\/b><\/th>\r\n      <td>H1 &gt; H2 &gt; H3 \u306e\u5165\u308c\u5b50\u69cb\u9020\u3092\u81ea\u52d5\u751f\u6210<br>\uff08\u4eca\u306e\u3068\u3053\u308d\u5fc5\u8981\u304c\u306a\u3044\u306e\u3067\u4f7f\u3063\u3066\u306a\u3044\u3067\u3059\u304c\u3001H2\u30af\u30ea\u30c3\u30af\u3067\u4e0b\u968e\u5c64\u304c\u958b\u304f\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u5f62\u5f0f\u306e\u5bfe\u5fdc\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\uff09<\/td>\r\n    <\/tr>\r\n    <tr class=\"rung\">\r\n      <th><b class=\"fw-600\">\u9664\u5916\u6a5f\u80fd<\/b><\/th>\r\n      <td><code>.ignore-toc-scope<\/code> \u3067\u7279\u5b9a\u306e\u898b\u51fa\u3057\u3092\u76ee\u6b21\u304b\u3089\u9664\u5916<\/td>\r\n    <\/tr>\r\n    <tr class=\"rung\">\r\n      <th><b class=\"fw-600\">\u8907\u6570\u76ee\u6b21\u5bfe\u5fdc<\/b><\/th>\r\n      <td>1\u30da\u30fc\u30b8\u306b\u8907\u6570\u306e\u72ec\u7acb\u3057\u305f\u76ee\u6b21\u3092\u914d\u7f6e\u53ef\u80fd<\/td>\r\n    <\/tr>\r\n    <tr class=\"rung\">\r\n      <th><b class=\"fw-600\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/b><\/th>\r\n      <td>DocumentFragment\u3001requestAnimationFrame \u3092\u6d3b\u7528<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\r\n\r\n<h3 class=\"fz-ml\">inppend-tocList.js - \u9759\u7684\u306a\u76ee\u6b21\u30ea\u30b9\u30c8<\/h3>\r\n<picture class=\"bd-bounds\"><img decoding=\"async\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/FS-20251106-codepen.io_448.png\" alt=\"\" width=\"1343\" height=\"545\" class=\"alignnone size-full wp-image-9879\" \/><\/picture>\r\n\r\n<h3 class=\"fz-ml\">inppend-tocBtn.js - \u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30bf\u30f3\u578b<\/h3>\r\n<picture class=\"bd-bounds\"><img decoding=\"async\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/FS-20251106-codepen.io_449.png\" alt=\"\" width=\"1343\" height=\"546\" class=\"alignnone size-full wp-image-9880\" \/><\/picture>\r\n\r\n<h3 class=\"fz-ml\">\u4e21\u65b9\u4f75\u7528<\/h3>\r\n\r\n\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n<h2 class=\"fz-xl\">\u4f7f\u3044\u65b9\uff1a3\u30b9\u30c6\u30c3\u30d7\u3067\u5b8c\u4e86<\/h2>\r\n\r\n<h3 class=\"fz-ml\">Step 1: HTML\u69cb\u9020\u3092\u4f5c\u6210<\/h3>\r\n<pre><code class=\"language-html\">&lt;!-- \u76ee\u6b21\u5bfe\u8c61\u7bc4\u56f2 --&gt;\r\n&lt;div class=&quot;toc-scope&quot; data-toc-id=&quot;js-tocBWGD&quot;&gt;\r\n  &lt;section&gt;\r\n    &lt;h1&gt;\u30e1\u30a4\u30f3\u30bf\u30a4\u30c8\u30eb&lt;\/h1&gt;\r\n    &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n    &lt;h2&gt;\u30b5\u30d6\u30bf\u30a4\u30c8\u30eb&lt;\/h2&gt;\r\n    &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n    &lt;h3&gt;\u5c0f\u898b\u51fa\u3057&lt;\/h3&gt;\r\n    &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n    &lt;h2 class=&quot;ignore-toc-scope&quot;&gt;\u76ee\u6b21\u306b\u8868\u793a\u3057\u306a\u3044\u898b\u51fa\u3057&lt;\/h2&gt;\r\n    &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n  &lt;\/section&gt;\r\n&lt;\/div&gt;\r\n\r\n&lt;!-- \u76ee\u6b21\u30ea\u30b9\u30c8\u633f\u5165\u4f4d\u7f6e --&gt;\r\n&lt;nav class=&quot;toc-container&quot;&gt;\r\n  &lt;ins class=&quot;tocList&quot; data-toc-id=&quot;js-tocBWGD&quot;&gt;&lt;\/ins&gt;\r\n&lt;\/nav&gt;\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\uff1a<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li><code>data-toc-id<\/code> \u3092\u540c\u3058\u5024\u306b\u3059\u308b\uff08\u76ee\u6b21\u3068\u30b9\u30b3\u30fc\u30d7\u3092\u7d10\u4ed8\u3051\uff09<\/li>\r\n  <li><code>.ignore-toc-scope<\/code> \u3067\u7279\u5b9a\u306e\u898b\u51fa\u3057\u3092\u9664\u5916\u53ef\u80fd<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">Step 2: JavaScript\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f<\/h3>\r\n<h4 class=\"fz-md\">\u30d1\u30bf\u30fc\u30f3A\uff1a\u9759\u7684\u30ea\u30b9\u30c8\u578b<\/h4>\r\n<pre><code class=\"language-html\">&lt;!-- inppend-tocList.js --&gt;\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/425822a18cf9b68a93a3bba298720d5b.js&quot;&gt;&lt;\/script&gt;\r\n<\/code><\/pre>\r\n<h4 class=\"fz-md\">\u30d1\u30bf\u30fc\u30f3B\uff1a\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30bf\u30f3\u578b<\/h4>\r\n<pre><code class=\"language-html\">&lt;!-- inppend-tocBtn.js --&gt;\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/fe267c2a4e301b069dc294b438414b74.js&quot;&gt;&lt;\/script&gt;\r\n<\/code><\/pre>\r\n<h4 class=\"fz-md\">\u30d1\u30bf\u30fc\u30f3C\uff1a\u4e21\u65b9\u4f75\u7528<\/h4>\r\n<pre><code class=\"language-html\">&lt;!-- \u4e21\u65b9\u8aad\u307f\u8fbc\u3080\u3053\u3068\u3082\u53ef\u80fd --&gt;\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/425822a18cf9b68a93a3bba298720d5b.js&quot;&gt;&lt;\/script&gt;\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/fe267c2a4e301b069dc294b438414b74.js&quot;&gt;&lt;\/script&gt;\r\n\r\n&lt;!-- HTML --&gt;\r\n&lt;ins class=&quot;tocList&quot; data-toc-id=&quot;js-tocBWGD&quot;&gt;&lt;\/ins&gt;\r\n&lt;ins class=&quot;tocBtn is-fixed&quot; data-toc-id=&quot;js-tocBWGD&quot;&gt;&lt;\/ins&gt;\r\n\r\n&lt;div class=&quot;toc-scope&quot; data-toc-id=&quot;js-tocBWGD&quot;&gt;\r\n  &lt;!-- \u30b3\u30f3\u30c6\u30f3\u30c4\uff08\u76ee\u6b21\u5bfe\u8c61\u7bc4\u56f2\uff09 --&gt;\r\n  \u2307\r\n&lt;\/div&gt;\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">Step 3: \u5b8c\u6210\uff01<\/h3>\r\n<p>\u30da\u30fc\u30b8\u3092\u958b\u304f\u3068\u3001\u81ea\u52d5\u7684\u306b\u76ee\u6b21\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-\">\u2705 \u898b\u51fa\u3057\u30bf\u30b0\u304b\u3089\u81ea\u52d5\u751f\u6210\r\n\u2705 \u30b9\u30af\u30ed\u30fc\u30eb\u3067\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\r\n\u2705 \u30af\u30ea\u30c3\u30af\u3067\u30b9\u30e0\u30fc\u30b9\u30b9\u30af\u30ed\u30fc\u30eb\r\n\u2705 \u968e\u5c64\u69cb\u9020\u3092\u7dad\u6301\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n<h2 class=\"fz-xl\">\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u65b9\u6cd5<\/h2>\r\n\r\n<h3 class=\"fz-ml\">1. CSS \u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h3>\r\n<h4 class=\"fz-md\">H3\u30922\u5217\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u3059\u308b<\/h4>\r\n<pre><code class=\"language-css\">\/* H3\u3060\u3051\u3092\u6a2a\u4e26\u307350%\u5e45\u306b *\/\r\n.tocList .tocList-subList .tocList-item.level-h3 {\r\n  width: 50%;\r\n}\r\n<\/code><\/pre>\r\n<h4 class=\"fz-md\">\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\u306e\u8272\u3092\u5909\u66f4<\/h4>\r\n<pre><code class=\"language-css\">\/* inppend-tocList.js \u306e\u30a2\u30af\u30c6\u30a3\u30d6\u80cc\u666f\u8272 *\/\r\n.tocList.is-fixed .tocList-item.is-active &gt; .tocList-link::before {\r\n  background: var(--c-secondary-100, hsl(223, 24%, 93%));\r\n}\r\n\r\n\/* inppend-tocBtn.js \u306e\u30a2\u30af\u30c6\u30a3\u30d6\u80cc\u666f\u8272 *\/\r\n.tocBtn.is-fixed .tocBtn-item.is-active &gt; .tocBtn-link::before {\r\n  background: var(--c-secondary-100, hsl(223, 24%, 93%));\r\n}\r\n<\/code><\/pre>\r\n<h4 class=\"fz-md\">\u30d1\u30cd\u30eb\u30fb\u30dc\u30bf\u30f3\u306e\u4f4d\u7f6e\u3092\u5909\u66f4\uff08tocBtn\uff09<\/h4>\r\n<pre><code class=\"language-css\">\/* \u5de6\u4e0b\u306b\u914d\u7f6e *\/\r\n.tocBtn-panel {\r\n  bottom: 60px;\r\n  left: min(3.5rem, 4.2vw);  \/* \u53f3\u2192\u5de6\u306b\u5909\u66f4 *\/\r\n  right: auto;\r\n  transform-origin: 0% 100%;  \/* 100%\u21920%\u306b\u5909\u66f4 *\/\r\n}\r\n\r\n.tocBtn-switchGroup {\r\n  right: auto;\r\n  left: -2px;  \/* \u53f3\u2192\u5de6\u306b\u5909\u66f4 *\/\r\n}\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">2. \u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u8abf\u6574<\/h3>\r\n<h4 class=\"fz-md\">\u30b9\u30af\u30ed\u30fc\u30eb\u30aa\u30d5\u30bb\u30c3\u30c8\uff08\u30b9\u30e0\u30fc\u30b9\u30b9\u30af\u30ed\u30fc\u30eb\u6642\uff09<\/h4>\r\n<pre><code class=\"language-javascript\">\/\/ inppend-tocList.js \u306e 238\u884c\u76ee\u4ed8\u8fd1\r\nconst offset = 144; \/\/ \u2190 \u30d8\u30c3\u30c0\u30fc\u306e\u9ad8\u3055\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\r\n\r\n\/\/ inppend-tocBtn.js \u306e 413\u884c\u76ee\u4ed8\u8fd1\r\nconst offset = 144; \/\/ \u2190 \u30d8\u30c3\u30c0\u30fc\u306e\u9ad8\u3055\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u8abf\u6574\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u56fa\u5b9a\u30d8\u30c3\u30c0\u30fc\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u9ad8\u3055\u5206\u3092\u8a2d\u5b9a<\/li>\r\n  <li>\u30d8\u30c3\u30c0\u30fc\u304c <code>height: 100px<\/code> \u306a\u3089 <code>offset: 100<\/code> \u306b\u8a2d\u5b9a<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n<h4 class=\"fz-md\">\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\u306e\u30aa\u30d5\u30bb\u30c3\u30c8<\/h4>\r\n<pre><code class=\"language-javascript\">\/\/ inppend-tocList.js \u306e 275\u884c\u76ee\u4ed8\u8fd1\r\nconst tocListScrlPos = window.scrollY + 200; \/\/ \u2190 \u5024\u3092\u8abf\u6574\r\n\r\n\/\/ inppend-tocBtn.js \u306e 458\u884c\u76ee\u4ed8\u8fd1\r\nconst tocBtnScrlPos = window.scrollY + 200; \/\/ \u2190 \u5024\u3092\u8abf\u6574\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u8abf\u6574\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u5024\u3092\u5927\u304d\u304f\u3059\u308b \u2192 \u3088\u308a\u4e0b\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u304b\u3089\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u308b<\/li>\r\n  <li>\u5024\u3092\u5c0f\u3055\u304f\u3059\u308b \u2192 \u3088\u308a\u65e9\u304f\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u308b<\/li>\r\n  <li>\u63a8\u5968\u5024\uff1a<code>100\u301c200<\/code> \u306e\u7bc4\u56f2<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n<h2 class=\"fz-xl\">\u6280\u8853\u7684\u89e3\u8aac\uff1a\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\u306e\u5b9f\u88c5<\/h2>\r\n<p>\u76ee\u6b21\u306e\u4e2d\u3067\u6700\u3082\u5b9f\u88c5\u304c\u96e3\u3057\u304b\u3063\u305f\u306e\u304c\u300c<b class=\"fw-600\">\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u306b\u5fdc\u3058\u3066\u73fe\u5728\u306e\u898b\u51fa\u3057\u3092\u30cf\u30a4\u30e9\u30a4\u30c8\u3059\u308b<\/b>\u300d\u6a5f\u80fd\u3067\u3057\u305f\u3002<\/p>\r\n\r\n<h3 class=\"fz-ml\">\u3088\u304f\u3042\u308b\u5931\u6557\u4f8b<\/h3>\r\n<pre><code class=\"language-javascript\">\/\/ \u274c \u9593\u9055\u3063\u305f\u5b9f\u88c5\r\nwindow.addEventListener(&#39;scroll&#39;, () =&gt; {\r\n  const items = document.querySelectorAll(&#39;.toc-item&#39;);\r\n  \r\n  items.forEach(item =&gt; {\r\n    const target = document.getElementById(item.dataset.targetId);\r\n    \r\n    \/\/ \u753b\u9762\u5185\u306b\u3042\u308b\u304b\u30c1\u30a7\u30c3\u30af\r\n    if (target.getBoundingClientRect().top &gt;= 0 &amp;&amp; \r\n        target.getBoundingClientRect().top &lt;= window.innerHeight) {\r\n      item.classList.add(&#39;is-active&#39;);\r\n    } else {\r\n      item.classList.remove(&#39;is-active&#39;);\r\n    }\r\n  });\r\n});\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u554f\u984c\u70b9\uff1a<\/b><\/p>\r\n<ol style=\"list-style-type:decimal;\">\r\n  <li>\u274c \u8907\u6570\u306e\u898b\u51fa\u3057\u304c\u540c\u6642\u306b\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u308b<\/li>\r\n  <li>\u274c \u30b9\u30af\u30ed\u30fc\u30eb\u306e\u5ea6\u306b\u5168\u8981\u7d20\u3092\u30c1\u30a7\u30c3\u30af\uff08\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u60aa\uff09<\/li>\r\n  <li>\u274c \u898b\u51fa\u3057\u304c\u753b\u9762\u5916\u306b\u51fa\u308b\u3068\u30cf\u30a4\u30e9\u30a4\u30c8\u304c\u6d88\u3048\u308b<\/li>\r\n<\/ol>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">\u6b63\u3057\u3044\u5b9f\u88c5\uff08inppend-toc.js \u306e\u65b9\u5f0f\uff09<\/h3>\r\n<pre><code class=\"language-javascript\">function fnTocListActiveHL(tocList, tocListChapters) {\r\n  let tocListTicking = false;\r\n\r\n  function fnTocListActiveItem() {\r\n    if (!tocListTicking) {\r\n      window.requestAnimationFrame(() =&gt; {\r\n        const tocListItems = tocList.querySelectorAll(&#39;.tocList-item&#39;);\r\n        const tocListScrlPos = window.scrollY + 200; \/\/ \u30aa\u30d5\u30bb\u30c3\u30c8\r\n\r\n        let tocListCrntSect = null;\r\n\r\n        \/\/ \u5404\u76ee\u6b21\u30a2\u30a4\u30c6\u30e0\u3092\u9806\u756a\u306b\u30c1\u30a7\u30c3\u30af\r\n        tocListItems.forEach(item =&gt; {\r\n          const tocListTgtId = item.getAttribute(&#39;data-target-id&#39;);\r\n          const tocListTgtElem = document.getElementById(tocListTgtId);\r\n\r\n          if (tocListTgtElem) {\r\n            const tocListRect = tocListTgtElem.getBoundingClientRect();\r\n            const tocListAbsoTop = tocListRect.top + window.scrollY;\r\n\r\n            \/\/ \u2605\u30dd\u30a4\u30f3\u30c8\uff1a\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u3088\u308a\u4e0a\u306b\u3042\u308b\u898b\u51fa\u3057\u306e\u4e2d\u3067\u6700\u3082\u4e0b\u306e\u3082\u306e\u3092\u9078\u629e\r\n            if (tocListAbsoTop &lt;= tocListScrlPos) {\r\n              tocListCrntSect = item;\r\n            }\r\n          }\r\n        });\r\n\r\n        \/\/ \u5168\u3066\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30af\u30e9\u30b9\u3092\u524a\u9664\r\n        tocListItems.forEach(item =&gt; item.classList.remove(&#39;is-active&#39;));\r\n\r\n        \/\/ \u73fe\u5728\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30c6\u30a3\u30d6\u30af\u30e9\u30b9\u3092\u8ffd\u52a0\r\n        if (tocListCrntSect) {\r\n          tocListCrntSect.classList.add(&#39;is-active&#39;);\r\n        }\r\n\r\n        tocListTicking = false;\r\n      });\r\n\r\n      tocListTicking = true;\r\n    }\r\n  }\r\n\r\n  \/\/ \u30b9\u30af\u30ed\u30fc\u30eb\u30a4\u30d9\u30f3\u30c8\r\n  window.addEventListener(&#39;scroll&#39;, fnTocListActiveItem, { passive: true });\r\n\r\n  \/\/ \u521d\u56de\u5b9f\u884c\r\n  fnTocListActiveItem();\r\n}\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\r\n<h4 class=\"fz-md\">1. <b class=\"fw-600\">requestAnimationFrame \u306b\u3088\u308b\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0<\/b><\/h4>\r\n<pre><code class=\"language-javascript\">let tocListTicking = false;\r\n\r\nif (!tocListTicking) {\r\n  window.requestAnimationFrame(() =&gt; {\r\n    \/\/ \u51e6\u7406\r\n    tocListTicking = false;\r\n  });\r\n  tocListTicking = true;\r\n}\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u52b9\u679c\uff1a<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u2705 \u6bce\u30d5\u30ec\u30fc\u30e0\uff08\u7d0416ms\uff09\u306b1\u56de\u3060\u3051\u5b9f\u884c<\/li>\r\n  <li>\u2705 \u7121\u99c4\u306a\u51e6\u7406\u3092\u524a\u6e1b\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a<\/li>\r\n  <li>\u2705 \u30b9\u30af\u30ed\u30fc\u30eb\u304c\u6ed1\u3089\u304b\u306b<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n<h4 class=\"fz-md\">2. <b class=\"fw-600\">\u300c\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u3088\u308a\u4e0a\u306b\u3042\u308b\u6700\u5f8c\u306e\u8981\u7d20\u300d\u3092\u9078\u629e<\/b><\/h4>\r\n<pre><code class=\"language-javascript\">let tocListCrntSect = null;\r\n\r\ntocListItems.forEach(item =&gt; {\r\n  const absoluteTop = rect.top + window.scrollY;\r\n  \r\n  \/\/ \u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e\u3088\u308a\u4e0a\u306b\u3042\u308c\u3070\u66f4\u65b0\u3057\u7d9a\u3051\u308b\r\n  if (absoluteTop &lt;= tocListScrlPos) {\r\n    tocListCrntSect = item; \/\/ \u2190 \u66f4\u65b0\u3057\u7d9a\u3051\u308b\uff08break\u7121\u3057\uff09\r\n  }\r\n});\r\n\r\n\/\/ \u30eb\u30fc\u30d7\u7d42\u4e86\u5f8c\u3001\u6700\u5f8c\u306b\u6b8b\u3063\u305f\u8981\u7d20\u304c\u30a2\u30af\u30c6\u30a3\u30d6\r\nif (tocListCrntSect) {\r\n  tocListCrntSect.classList.add(&#39;is-active&#39;);\r\n}\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u30ed\u30b8\u30c3\u30af\uff1a<\/b><\/p>\r\n<pre><code class=\"language-\">\u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e: 500px \u306e\u5834\u5408\r\n\r\n\u898b\u51fa\u30571: 100px  \u2190 \u4e0a\u306b\u3042\u308b\uff08\u66f4\u65b0\uff09\r\n\u898b\u51fa\u30572: 300px  \u2190 \u4e0a\u306b\u3042\u308b\uff08\u66f4\u65b0\uff09\r\n\u898b\u51fa\u30573: 450px  \u2190 \u4e0a\u306b\u3042\u308b\uff08\u66f4\u65b0\uff09\u2190 \u3053\u308c\u304c\u30a2\u30af\u30c6\u30a3\u30d6\r\n\u898b\u51fa\u30574: 700px  \u2190 \u4e0b\u306b\u3042\u308b\uff08\u66f4\u65b0\u3057\u306a\u3044\uff09\r\n\u898b\u51fa\u30575: 900px  \u2190 \u4e0b\u306b\u3042\u308b\uff08\u66f4\u65b0\u3057\u306a\u3044\uff09\r\n\r\n\u7d50\u679c\uff1a\u898b\u51fa\u30573 \u304c\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u306a\u308b\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u306a\u305c <code>break<\/code> \u3092\u4f7f\u308f\u306a\u3044\u306e\u304b\uff1f<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u274c <code>break<\/code> \u3092\u4f7f\u3046\u3068\u6700\u521d\u306b\u898b\u3064\u304b\u3063\u305f\u8981\u7d20\u3067\u505c\u6b62<\/li>\r\n  <li>\u2705 <code>break<\/code> \u7121\u3057\u3067\u6700\u5f8c\u307e\u3067\u66f4\u65b0\u3057\u7d9a\u3051\u308b\u3053\u3068\u3067\u3001\u300c\u6700\u3082\u8fd1\u3044\u8981\u7d20\u300d\u3092\u9078\u629e<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n<h4 class=\"fz-md\">3. <b class=\"fw-600\">passive \u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc<\/b><\/h4>\r\n<pre><code class=\"language-javascript\">window.addEventListener(&#39;scroll&#39;, fnTocListActiveItem, { passive: true });\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u52b9\u679c\uff1a<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u2705 \u30d6\u30e9\u30a6\u30b6\u306b\u300cpreventDefault() \u3092\u547c\u3070\u306a\u3044\u300d\u3068\u4f1d\u3048\u308b<\/li>\r\n  <li>\u2705 \u30b9\u30af\u30ed\u30fc\u30eb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a<\/li>\r\n  <li>\u2705 \u7279\u306b\u30e2\u30d0\u30a4\u30eb\u3067\u52b9\u679c\u5927<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/h3>\r\n<p>\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\u304c\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u5834\u5408\u3001\u4ee5\u4e0b\u3092\u30c1\u30a7\u30c3\u30af\uff1a<\/p>\r\n<pre><code class=\"language-javascript\">\/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\r\ntocListItems.forEach(item =&gt; {\r\n  const targetId = item.getAttribute(&#39;data-target-id&#39;);\r\n  const targetElem = document.getElementById(targetId);\r\n  \r\n  if (targetElem) {\r\n    const absoluteTop = targetElem.getBoundingClientRect().top + window.scrollY;\r\n    console.log(`${targetId}: ${absoluteTop}px, \u30b9\u30af\u30ed\u30fc\u30eb\u4f4d\u7f6e: ${window.scrollY}px`);\r\n  }\r\n});\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u78ba\u8a8d\u30dd\u30a4\u30f3\u30c8\uff1a<\/b><\/p>\r\n<ol style=\"list-style-type:decimal;\">\r\n  <li>\u2705 <code>data-target-id<\/code> \u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\r\n  <li>\u2705 \u898b\u51fa\u3057\u8981\u7d20\u306b <code>id<\/code> \u304c\u5b58\u5728\u3059\u308b\u304b<\/li>\r\n  <li>\u2705 \u30aa\u30d5\u30bb\u30c3\u30c8\u5024\u304c\u9069\u5207\u304b<\/li>\r\n<\/ol>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n<h2 class=\"fz-xl\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\r\n\r\n<h3 class=\"fz-ml\">1. DocumentFragment \u306b\u3088\u308b DOM \u64cd\u4f5c\u306e\u6700\u5c0f\u5316<\/h3>\r\n<pre><code class=\"language-javascript\">\/\/ \u274c \u60aa\u3044\u4f8b\uff1a\u9010\u6b21DOM\u633f\u5165\r\nitems.forEach(item =&gt; {\r\n  const el = document.createElement(&#39;li&#39;);\r\n  el.textContent = item;\r\n  document.body.appendChild(el); \/\/ \u2190 \u6bce\u56de\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\r\n});\r\n\r\n\/\/ \u2705 \u826f\u3044\u4f8b\uff1a\u4e00\u62ecDOM\u633f\u5165\r\nconst fragment = document.createDocumentFragment();\r\nitems.forEach(item =&gt; {\r\n  const el = document.createElement(&#39;li&#39;);\r\n  el.textContent = item;\r\n  fragment.appendChild(el); \/\/ \u2190 \u30e1\u30e2\u30ea\u4e0a\u3067\u51e6\u7406\r\n});\r\ndocument.body.appendChild(fragment); \/\/ \u2190 \u4e00\u5ea6\u3060\u3051\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u52b9\u679c\uff1a<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u56de\u6570\u3092\u5927\u5e45\u524a\u6e1b<\/li>\r\n  <li>\u76ee\u6b21\u9805\u76ee\u304c100\u500b\u3042\u3063\u3066\u30821\u56de\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u5b8c\u4e86<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">2. \u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306e\u91cd\u8907\u9632\u6b62<\/h3>\r\n<pre><code class=\"language-javascript\">\/\/ \u30b0\u30ed\u30fc\u30d0\u30eb\u30a4\u30d9\u30f3\u30c8\uff1a\u30d1\u30cd\u30eb\u5916\u30af\u30ea\u30c3\u30af\u3067\u9589\u3058\u308b\uff081\u5ea6\u3060\u3051\u767b\u9332\uff09\r\nif (!window._tocBtnOutsideClickRegistered) {\r\n  document.addEventListener(&#39;click&#39;, (e) =&gt; {\r\n    const openedTocBtn = document.querySelector(&#39;.tocBtn.is-opened&#39;);\r\n    if (openedTocBtn &amp;&amp; !openedTocBtn.contains(e.target)) {\r\n      openedTocBtn.classList.remove(&#39;is-opened&#39;);\r\n    }\r\n  });\r\n  window._tocBtnOutsideClickRegistered = true;\r\n}\r\n<\/code><\/pre>\r\n<p><b class=\"fw-600\">\u52b9\u679c\uff1a<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u8907\u6570\u306e\u76ee\u6b21\u304c\u3042\u3063\u3066\u3082\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u306f1\u3064\u3060\u3051<\/li>\r\n  <li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u6b62<\/li>\r\n<\/ul>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">3. textContent \u306e\u4f7f\u7528\uff08XSS\u5bfe\u7b56\u3082\u517c\u306d\u308b\uff09<\/h3>\r\n<pre><code class=\"language-javascript\">\/\/ \u2705 \u9ad8\u901f &amp; \u5b89\u5168\r\ntocLink.textContent = heading.textContent;\r\n\r\n\/\/ \u274c \u9045\u3044 &amp; XSS\u30ea\u30b9\u30af\r\ntocLink.innerHTML = heading.innerHTML;\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n<h2 class=\"fz-xl\">\u5b9f\u969b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h2>\r\n\r\n<h3 class=\"fz-ml\">\u30b5\u30f3\u30d7\u30eb1\uff1a\u57fa\u672c\u7684\u306a\u9759\u7684\u30ea\u30b9\u30c8\uff08.is-fixed\uff09<\/h3>\r\n<picture class=\"bd-bounds\"><img decoding=\"async\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/FS-20251106-codepen.io_446.jpg\" alt=\"\" width=\"1343\" height=\"546\" class=\"alignnone size-full wp-image-9885\" \/><\/picture>\r\n\r\n<pre class=\"mt-1r\"><code class=\"language-html\">&lt;!-- \u76ee\u6b21 --&gt;\r\n&lt;aside&gt;\r\n  &lt;ins class=&quot;tocList is-fixed&quot; data-toc-id=&quot;js-tocMain&quot;&gt;&lt;\/ins&gt;\r\n&lt;\/aside&gt;\r\n\r\n&lt;!-- \u30b3\u30f3\u30c6\u30f3\u30c4 --&gt;\r\n&lt;main class=&quot;toc-scope&quot; data-toc-id=&quot;js-tocMain&quot;&gt;\r\n  &lt;h1&gt;\u306f\u3058\u3081\u306b&lt;\/h1&gt;\r\n  &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h2&gt;\u6982\u8981&lt;\/h2&gt;\r\n  &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h3&gt;\u8a73\u7d301&lt;\/h3&gt;\r\n  &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h3&gt;\u8a73\u7d302&lt;\/h3&gt;\r\n  &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h2&gt;\u307e\u3068\u3081&lt;\/h2&gt;\r\n  &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n&lt;\/main&gt;\r\n\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/425822a18cf9b68a93a3bba298720d5b.js&quot;&gt;&lt;\/script&gt;\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">\u30b5\u30f3\u30d7\u30eb2\uff1a\u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30bf\u30f3\u578b<\/h3>\r\n<picture class=\"bd-bounds\"><img decoding=\"async\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/FS-20251106-codepen.io_449-1.png\" alt=\"\" width=\"1343\" height=\"546\" class=\"alignnone size-full wp-image-9886\" \/><\/picture>\r\n\r\n<pre class=\"mt-1r\"><code class=\"language-html\">&lt;!-- \u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30bf\u30f3 --&gt;\r\n&lt;ins class=&quot;tocBtn is-fixed&quot; data-toc-id=&quot;js-tocArticle&quot;&gt;&lt;\/ins&gt;\r\n\r\n&lt;!-- \u30b3\u30f3\u30c6\u30f3\u30c4 --&gt;\r\n&lt;article class=&quot;toc-scope&quot; data-toc-id=&quot;js-tocArticle&quot;&gt;\r\n  &lt;h2&gt;\u30bb\u30af\u30b7\u30e7\u30f31&lt;\/h2&gt;\r\n  &lt;p&gt;\u9577\u3044\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h2&gt;\u30bb\u30af\u30b7\u30e7\u30f32&lt;\/h2&gt;\r\n  &lt;p&gt;\u9577\u3044\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h3&gt;\u30b5\u30d6\u30bb\u30af\u30b7\u30e7\u30f32-1&lt;\/h3&gt;\r\n  &lt;p&gt;\u9577\u3044\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n&lt;\/article&gt;\r\n\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/fe267c2a4e301b069dc294b438414b74.js&quot;&gt;&lt;\/script&gt;\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n<h3 class=\"fz-ml\">\u30b5\u30f3\u30d7\u30eb3\uff1a\u4e21\u65b9\u4f75\u7528<\/h3>\r\n<picture class=\"bd-bounds\"><img decoding=\"async\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/FS-20251106-codepen.io_447.png\" alt=\"\" width=\"1343\" height=\"546\" class=\"alignnone size-full wp-image-9888\" \/><\/picture>\r\n\r\n<pre class=\"mt-1r\"><code class=\"language-html\">&lt;!-- \u76ee\u6b21\uff08.is-fixed\uff09 --&gt;\r\n&lt;ins class=&quot;tocList is-fixed&quot; data-toc-id=&quot;js-tocBlog&quot;&gt;&lt;\/ins&gt;\r\n&lt;!-- \u30d5\u30ed\u30fc\u30c6\u30a3\u30f3\u30b0\u30dc\u30bf\u30f3 --&gt;\r\n&lt;ins class=&quot;tocBtn is-fixed&quot; data-toc-id=&quot;js-tocBlog&quot;&gt;&lt;\/ins&gt;\r\n\r\n&lt;!-- \u30b3\u30f3\u30c6\u30f3\u30c4 --&gt;\r\n&lt;article class=&quot;toc-scope&quot; data-toc-id=&quot;js-tocBlog&quot;&gt;\r\n  &lt;h2&gt;\u30bb\u30af\u30b7\u30e7\u30f31&lt;\/h2&gt;\r\n  &lt;p&gt;\u9577\u3044\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h2&gt;\u30bb\u30af\u30b7\u30e7\u30f32&lt;\/h2&gt;\r\n  &lt;p&gt;\u9577\u3044\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n\r\n  &lt;h3&gt;\u30b5\u30d6\u30bb\u30af\u30b7\u30e7\u30f32-1&lt;\/h3&gt;\r\n  &lt;p&gt;\u9577\u3044\u30b3\u30f3\u30c6\u30f3\u30c4...&lt;\/p&gt;\r\n&lt;\/article&gt;\r\n\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/425822a18cf9b68a93a3bba298720d5b.js&quot;&gt;&lt;\/script&gt;\r\n&lt;script src=&quot;https:\/\/gist.github.com\/sarap422\/fe267c2a4e301b069dc294b438414b74.js&quot;&gt;&lt;\/script&gt;\r\n<\/code><\/pre>\r\n<hr class=\"rule-hory mt-3r\">\r\n\r\n\r\n<h2 class=\"fz-xl\">\u307e\u3068\u3081<\/h2>\r\n<p><b class=\"fw-600\">inppend-toc.js<\/b> \u306f\u3001\u4ee5\u4e0b\u306e\u7279\u5fb4\u3092\u6301\u3064\u76ee\u6b21\u751f\u6210\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\uff1a<\/p>\r\n\r\n<strong class=\"fz-ml mt-1.5r\">\u5b9f\u88c5\u6e08\u307f\u6a5f\u80fd<\/strong>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li>\u30a2\u30af\u30c6\u30a3\u30d6\u30cf\u30a4\u30e9\u30a4\u30c8\uff08\u30b9\u30af\u30ed\u30fc\u30eb\u9023\u52d5\uff09<\/li>\r\n  <li>\u30b9\u30e0\u30fc\u30b9\u30b9\u30af\u30ed\u30fc\u30eb\uff08anime.js\u5bfe\u5fdc\uff09<\/li>\r\n  <li>\u968e\u5c64\u69cb\u9020\uff08H1 &gt; H2 &gt; H3\uff09<\/li>\r\n  <li>\u9664\u5916\u6a5f\u80fd\uff08<code>.ignore-toc-scope<\/code>\uff09<\/li>\r\n  <li>data-toc-id=&quot;&quot; \u3092\u5206\u3051\u308b\u3053\u3068\u3067\u306e\u3001\u540c\u4e00\u30da\u30fc\u30b8\u3067\u306e\u8907\u6570\u76ee\u6b21\u8868\u793a<\/li>\r\n  <li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\uff08DocumentFragment\u3001requestAnimationFrame\uff09<\/li>\r\n  <li>\u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\u91cd\u8907\u9632\u6b62<\/li>\r\n<\/ul>\r\n\r\n<h2 class=\"fz-xl\">\u30ea\u30f3\u30af<\/h2>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li><b class=\"fw-600\">GitHub Gist\uff08inppend-tocList.js\uff09<\/b>: <cite><a href=\"https:\/\/gist.github.com\/sarap422\/425822a18cf9b68a93a3bba298720d5b\" class=\"link\" target=\"_blank\">https:\/\/gist.github.com\/sarap422\/425822a18cf9b68a93a3bba298720d5b<\/a><\/cite><\/li>\r\n  <li><b class=\"fw-600\">GitHub Gist\uff08inppend-tocBtn.js\uff09<\/b>: <cite><a href=\"https:\/\/gist.github.com\/sarap422\/fe267c2a4e301b069dc294b438414b74\" class=\"link\" target=\"_blank\">https:\/\/gist.github.com\/sarap422\/fe267c2a4e301b069dc294b438414b74<\/a><\/cite><\/li>\r\n<\/ul>\r\n\r\n<h2 class=\"fz-xl\">\u53c2\u8003\u8a18\u4e8b<\/h2>\r\n<ul style=\"list-style-type:bullet;\">\r\n  <li><cite><a href=\"https:\/\/qiita.com\/CRUD5th\/items\/e548e4b557c6148f7f96\" class=\"link\" target=\"_blank\">JavaScript\u306b\u304a\u3051\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\uff1a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6700\u5c0f\u5316\u30fb\u30eb\u30fc\u30d7\u6226\u7565\u30fb\u30e1\u30e2\u30ea\u5236\u5fa1\u306b\u3088\u308b\u9ad8\u52b9\u7387\u30b3\u30fc\u30c9\u8a2d\u8a08<\/a><\/cite><\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":"\u4eca\u56de\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306aHTML\u3068JavaScript\u3060\u3051\u3067\u3001Web\u30da\u30fc\u30b8\u306b\u76ee\u6b21\uff08TOC: Table of Contents \u306e\u7565\uff09\u3092\u5b9f\u88c5\u3001\u898b\u51fa\u3057\u304b\u3089\u76ee\u6b21\u3092\u81ea\u52d5\u751f\u6210 \u3067\u304d\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u300cinppend-to[...]","protected":false},"author":1,"featured_media":8334,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","footnotes":"","vk-ltc-link":"","vk-ltc-target":"0"},"categories":[12],"tags":[439,437,438,176,177,113],"group":[],"pg":[],"class_list":["post-8302","post","type-post","status-publish","format-standard","has-post-thumbnail","category-javascript","tag-requestanimationframe","tag-437","tag-documentfragment","tag-176","tag-177","tag-javascript"],"acf":[],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/8302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/comments?post=8302"}],"version-history":[{"count":0,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/8302\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media\/8334"}],"wp:attachment":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media?parent=8302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/categories?post=8302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/tags?post=8302"},{"taxonomy":"group","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/group?post=8302"},{"taxonomy":"pg","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/pg?post=8302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}