XML DOM length attribute

NodeList object reference manual

Definition and usage

The length property can return the number of nodes in a node list.

Syntax

nodelistObject.length

Instance

In all examples, we will use the XML file books.xml, and JavaScript functions loadXMLDoc().

The following code snippet can get the number of <title> elements in the XML document:

xmlDoc=loadXMLDoc("books.xml");
var x=xmlDoc.getElementsByTagName('title');
document.write("Number of title elements: " + x.length;

Output:

Number of title elements: 4

NodeList object reference manual