Element.removeAttribute() - Web APIs 编辑
The Element method removeAttribute() removes the attribute with the specified name from the element.
Syntax
element.removeAttribute(attrName);
Parameters
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.
Return value
undefined.
Usage notes
You should use removeAttribute() instead of setting the attribute value to null either directly or using setAttribute(). Many attributes will not behave as expected if you set them to null.
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 | - |
Example
// Given: <div id="div1" align="left" width="200px">
document.getElementById("div1").removeAttribute("align");
// Now: <div id="div1" width="200px">
Specifications
| Specification | Status | Comment |
|---|---|---|
| DOM The definition of 'Element" removeAttribute' in that specification. | Living Standard |
Browser compatibility
BCD tables only load in the browser
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