XML DOM setAttributeNS() Method

Element Object Reference Element Object

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(ns,name,value)

Parameter Description
ns Required. Specifies the namespace URI of the attribute to set
name Required. Specifies the name of the attribute to set
value Required. Specifies the value of the attribute to set

Example 1

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

Example

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

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Example 2

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

Example

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

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Element Object Reference Element Object

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