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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/ja/web/api/element/classname | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/ja/web/api/element/classname/index.html b/files/ja/web/api/element/classname/index.html new file mode 100644 index 0000000000..00f15100e7 --- /dev/null +++ b/files/ja/web/api/element/classname/index.html @@ -0,0 +1,35 @@ +--- +title: element.className +slug: Web/API/Element/className +tags: + - DOM + - Gecko + - Gecko DOM Reference +translation_of: Web/API/Element/className +--- +<div> + {{ApiRef}}</div> +<h2 id="Summary" name="Summary">概要</h2> +<p><strong>className</strong> は要素の <code>class</code> 属性の値の取得 / 設定に用います。</p> +<h2 id="Syntax" name="Syntax">構文</h2> +<pre class="syntaxbox"><var>cName</var> = <var>elementNodeReference</var>.className; +<var>elementNodeReference</var>.className = <var>cName</var>;</pre> +<ul> + <li><var>cName</var> : クラス名(文字列)</li> +</ul> +<h2 id="Example" name="Example">例</h2> +<pre class="brush:js">var elm = document.getElementById("div1"); //対象要素を取得 + +if (elm.className == "fixed") { + // 対象要素のクラス名が "fixed" であった場合の処理をここに記述 +}</pre> +<h2 id="Notes" name="Notes">注記</h2> +<p>"class" という語句はプログラミングに於いて様々な文脈で用いられる為、競合を防ぐために <code>className</code> という名称となっています。</p> +<h2 id="Specification" name="Specification">仕様書</h2> +<ul> + <li><a href="http://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-95362176">DOM Level 2 HTML: className</a></li> +</ul> +<h2 id="See_also" name="See_also">関連情報</h2> +<ul> + <li>{{domxref("element.classList")}}</li> +</ul> |