Element:hasAttribute() 方法

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() 方法返回一个表示当前元素的指定属性是否存在的布尔值。

语法

js
hasAttribute(name)

参数

name

表示属性名称的字符串。

返回值

一个布尔值。

示例

js
const foo = document.getElementById("foo");
if (foo.hasAttribute("bar")) {
  // 做一些事情
}

规范

Specification
DOM
# ref-for-dom-element-hasattribute①

浏览器兼容性

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

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Full support
Full support

参见