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元素方法 removeAttribute() 从指定的元素中删除一个属性。
语法
element.removeAttribute(attrName);
参数
attrName- A
DOMStringspecifying the name of the attribute to remove from the element. If the specified attribute does not exist,removeAttribute()returns without generating an error.
返回值
IE 返回boolean类型值，其他返回undefined
注意：因为 removeAttribute() 不会返回任何有效值，你不能使用链式方法（连续使用方法，例如 document.body.removeAttribute("first").removeAttribute("second")…）连续移除多个属性。
使用说明
若要彻底移除一个属性的效果，应当使用 removeAttribute()，而不是使用 setAttribute() 将属性值设置为 null。对于许多属性，如果仅将其值设为 null，这不会造达成和预期一样的效果。
DOM methods dealing with element's attributes:
| Not namespace-aware, most commonly used methods | Namespace-aware variants (DOM Level 2) | DOM Level 1 methods for dealing with Attr nodes directly (seldom used) |
DOM Level 2 namespace-aware methods for dealing with Attr nodes directly (seldom used) |
|---|---|---|---|
setAttribute (DOM 1) |
setAttributeNS |
setAttributeNode |
setAttributeNodeNS |
getAttribute (DOM 1) |
getAttributeNS |
getAttributeNode |
getAttributeNodeNS |
hasAttribute (DOM 2) |
hasAttributeNS |
- | - |
removeAttribute (DOM 1) |
removeAttributeNS |
removeAttributeNode |
- |
例子
// Given: <div id="div1" align="left" width="200px">
document.getElementById("div1").removeAttribute("align");
// Now: <div id="div1" width="200px">
规范
DOM Level 2 Core: removeAttribute (introduced in DOM Level 1 Core)
浏览器兼容性
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.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
removeAttribute | Chrome Full support Yes | Edge
Full support
12
| Firefox Full support Yes | IE ? | Opera Full support Yes | Safari Full support 6 | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- See implementation notes.
- See implementation notes.