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DOM Element hasAttributeNS() Method
Element ObjectThe following code fragment uses the xml file: "booksnamespace.xml".
Example
See if the price element has an onclick attribute with the specified namspace:
x=document.getElementsByTagNameNS("http://www.w3.org/1999/xhtml","price");
y=x.hasAttributeNS("http://www.w3.org/1999/xhtml","currency");
y=x.hasAttributeNS("http://www.w3.org/1999/xhtml","currency");
The result of y wil be:
true
Try it yourself »
Definition and Usage
The hasAttributeNS() method returns true if the specified attribute, with the specified namespace, exists, otherwise it returns false.
Note: This method is an XML method, and will not work with HTML elements.
Browser Support
The hasAttributeNS() method is supported in all major browsers, except Internet Explorer.
Note: This method is an XML DOM method, and will not work with HTML elements, However, Chrome and Safari supports this method with HTML elements as well.
Syntax
element.hasAttributeNS(namespaceURI,attributename)
Parameters
| Parameter | Type | Description |
|---|---|---|
| namespaceURI | String | Required. The namespaceURI of the attribute you want to check if exist, set this value to null if you dont want to specify a namespace |
| attributename | String | Required. The name of the attribute you want to check if exist |
Return Value
| Type | Description |
|---|---|
| Boolean | true if the element has attributes, otherwise false |
Technical Details
| DOM Version | Core Level 2 |
|---|
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