Element: hasAttribute() メソッド
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Element.hasAttribute()
メソッドは、指定した要素が指定した属性を持つかどうかを示す論理値を返します。
構文
js
hasAttribute(name)
引数
name
-
属性の名前を示す文字列です。
返値
論理値です。
例
js
const foo = document.getElementById("foo");
if (foo.hasAttribute("bar")) {
// do something
}
仕様書
Specification |
---|
DOM # ref-for-dom-element-hasattribute① |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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hasAttribute |
Legend
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- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.