element.setAttributeNodeNS

Summary

setAttributeNodeNS adds a new attribute node with the specified namespace and name.

Syntax

replacedAttr = element.setAttributeNodeNS(attributeNode) 

• replacedAttr is the replaced attribute node, if any, returned by this function.
• attributeNode is an Attr node.

Example

// <div id="one" special-align="utterleft">one</div> 
// <div id="two">two</div> 

var myns = "http://www.mozilla.org/ns/specialspace"; 
var d1 = document.getElementById("one"); 
var d2 = document.getElementById("two"); 
var a = d1.getAttributeNodeNS(myns, "special-align"); 
d2.setAttributeNodeNS(a); 

alert(d2.attributes[1].value) // returns: `utterleft'

Notes

If the specified attribute already exists on the element, then that attribute is replaced with the new one and the replaced one is returned.

DOM methods dealing with element's attributes:

Specification

DOM Level 2 Core: setAttributeNodeNS