jQuery日本語リファレンス

最初の要素が持つ指定属性の値を返す。
要素が指定属性を持っていない場合、関数はundefinedを返す。

戻り値

サンプル

サンプル1

<p>
 Once there was a <em title="huge, gigantic">large</em> dinosaur...
</p>

var title = $("em").attr("title");
alert(title);

[フレーム]

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