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。

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 GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
hasAttribute

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support