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DOM Element hasAttribute() Method
Element ObjectExample
Check if the button element has an onclick attribute:
document.getElementsByTagName("BUTTON")[0].hasAttribute("onclick");
The result will be:
true
Try it yourself »
Definition and Usage
The hasAttribute() method returns true if the specified attribute exists, otherwise it returns false.
Browser Support
The hasAttribute() method is supported in all major browsers.
Internet Explorer 8 and earlier does not support this method.
Syntax
element.hasAttribute(attributename)
Parameters
| Parameter | Type | Description |
|---|---|---|
| attributename | String | Required. The name of the attribute you want to check if exists |
Return Value
| Type | Description |
|---|---|
| Boolean | true if the element has attributes, otherwise false |
Technical Details
| DOM Version | Core Level 2 |
|---|
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