hagino_3000 https://blog.hatena.ne.jp/hagino_3000/ hagino3000's blog https://hagino3000.hatenablog.com/ javascript getElementsByTagName Returns a NodeList of all the Elements with a given tag name in the order in which they are encountered in a preorder traversal of the Document tree. Document Object Model Core 書式 elements = document.getElementsByTagName(name) * elements は、ツリーに現れる順に並べられた、見つかった要素の生きた NodeList です。… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhagino3000.hatenablog.com%2Fentry%2F20081121%2F1227203953" title="getElementsByTagNameの結果のNodeListはソートされていることに気づいた - hagino3000&#39;s blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-11-21 02:59:13 rich https://hagino3000.hatenablog.com/entry/20081121/1227203953 1.0 100%