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DOM Element setAttributeNode() Method

Element Object Reference Element Object

Example

Set the class attribute node of a header element:

var atr=document.createAttribute("class");
atr.nodeValue="democlass";
document.getElementsByTagName("H1")[0].setAttributeNode(atr);

Before setting the attribute node:

Hello World

After setting the attribute node:

Hello World


Try it yourself »

Definition and Usage

The setAttributeNode() method adds the specified attribute node to an element.

If the specified attribute allready exists, this method replaces it.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The setAttributeNode() method is supported in all major browsers.


Syntax

element.setAttributeNode(attributenode)

Parameters

Parameter Type Description
attributenode Attr object Required. The attribute node you want to add

Return Value

Type Description
Attr object The replaced attribute node, if any, otherwise null

Technical Details

DOM Version Core Level 1


Element Object Reference Element Object



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