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XML DOM setAttribute() Method

Element Object Reference Complete Element Object Reference

Definition and Usage

The setAttribute() method adds a new attribute.

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

Syntax

elementNode.setAttribute(name,value)

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

Example

The following code fragment loads "books.xml" into xmlDoc using loadXMLDoc() and adds an "edition" attribute to all <book> elements:

Example

xmlDoc=loadXMLDoc("books.xml");

x=xmlDoc.getElementsByTagName("book");

for(i=0;i<x.length;i++)
{
x.item(i).setAttribute("edition","first");
}

//Output book title and edition value
x=xmlDoc.getElementsByTagName("title");
for (i=0;i<x.length;i++)
{
document.write(x[i].childNodes[0].nodeValue);
document.write(" - Edition: ");
document.write(x[i].parentNode.getAttribute('edition'));
document.write("<br />");
}

Output:

Everyday Italian - Edition: FIRST
Harry Potter - Edition: FIRST
XQuery Kick Start - Edition: FIRST
Learning XML - Edition: FIRST

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Try-It-Yourself Demos

setAttribute() - Change an attribute's value

Element Object Reference Complete Element Object Reference

From http://www.w3schools.com (Copyright Refsnes Data)