Element: hasAttributes() 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.
hasAttributes()
は Element
インターフェイスのメソッドで、現在の要素が属性を持っているか否かを論理値で返します。
構文
js
hasAttributes()
引数
なし。
返値
論理値です。
例
js
let foo = document.getElementById("foo");
if (foo.hasAttributes()) {
// Do something with 'foo.attributes'
}
仕様書
Specification |
---|
DOM # ref-for-dom-element-hasattributes① |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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hasAttributes |
Legend
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- Full support
- Full support
- See implementation notes.
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.