XML DOM setAttributeNS() Method

Complete Element Object Reference

Definition and Usage

The setAttributeNS() method adds a new attribute (with a namespace).

If an attribute with that name or namespace already exists in the element, its value is changed to be that of the prefix and value parameter

Syntax

elementNode.setAttributeNS(name,value)

Example 1

The following code fragment loads "books_ns.xml" into xmlDoc using loadXMLDoc() and adds an "edition" attribute to the first <book> element:

xmlDoc=loadXMLDoc("books_ns.xml");

x=xmlDoc.getElementsByTagName("book")[0];
ns="http://www.w3schools.com/edition/";

x.setAttributeNS(ns,"edition","first");

document.write(x.getAttributeNS(ns,"edition"));

Output:

first

Example 2

The following code fragment loads "books_ns.xml" into xmlDoc using loadXMLDoc() and changes the "lang" value of the first <title> element:

xmlDoc=loadXMLDoc("books_ns.xml");

x=xmlDoc.getElementsByTagName("title")[0];
ns="http://www.w3schools.com/children/";

x.setAttributeNS(ns,"c:lang","italian");

document.write(x.getAttributeNS(ns,"lang"));

Output:

italian

Try-It-Yourself Demos

Set a new attribute and attribute value
This example uses setAttributeNS() to set a new attribute/attribute value.

Change an attribute value
This example uses setAttributeNS() to change an attribute value.

Complete Element Object Reference

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