W3Schools

home HOME

XML DOM Tutorial
DOM HOME
DOM Introduction
DOM Nodes
DOM Node Tree
DOM Parsing
DOM Load Function
DOM Methods
DOM Accessing
DOM Node Info
DOM Node List
DOM Traversing
DOM Browsers
DOM Navigating

Manipulate Nodes
DOM Get Values
DOM Change Nodes
DOM Remove Nodes
DOM Replace Nodes
DOM Create Nodes
DOM Add Nodes
DOM Clone Nodes
DOM HttpRequest

XML DOM Reference
DOM Node Types
DOM Node
DOM NodeList
DOM NamedNodeMap
DOM Document
DOM DocumentImpl
DOM DocumentType
DOM ProcessingInstr
DOM Element
DOM Attribute
DOM Text
DOM CDATA
DOM Comment
DOM HttpRequest
DOM ParseError Obj
DOM Parser Errors

DOM Summary

Examples
DOM Examples
DOM Validator

Selected Reading
Web Statistics
Web Glossary
Web Hosting
Web Quality

W3Schools Forum

Helping W3Schools

XML DOM length Property


NodeList Object Reference Complete NodeList Object Reference

Definition and Usage

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

Syntax

nodelistObject.length
 

Example

The following code fragment loads "books.xml" into xmlDoc using loadXMLDoc() and gets the number of <title> elements:

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

The output of the code above will be:

Number of title elements: 4


Try-It-Yourself Demos

length - Return the number of nodes in a node list

length - Loop through the nodes in a node list


NodeList Object Reference Complete NodeList Object Reference


Altova® XMLSpy® - The world's best-selling XML editor!

Whether you're new to XML or already an advanced user, the user-friendly views and powerful entry helpers, wizards, and debuggers in XMLSpy are designed to meet your XML and Web services development needs from start to finish.

  • XML editor
  • Graphical XML Schema / DTD editors
  • XSLT 1.0/2.0 editor, debugger, profiler
  • XQuery editor, debugger, profiler
  • Support for Office Open XML (OOXML)
  • Graphical WSDL editor & SOAP debugger
  • Java, C#, C++ code generation
  • And much more!

Download a free 30-day trial today!

Click to see a demo!

Learn what’s new in v2008




diploma   

Get Your Diploma!

W3Schools' Online Certification Program is the perfect solution for busy professionals who need to balance work, family, and career building.

The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.

The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.



Jump to: Top of Page or HOME or Printer Friendly Printer friendly page

W3Schools provides material for training only. We do not warrant the correctness of its contents. The risk from using it lies entirely with the user. While using this site, you agree to have read and accepted our terms of use and privacy policy.

Copyright 1999-2008 by Refsnes Data. All Rights Reserved.

Validate Validate W3C-WAI level A conformance icon W3Schools was converted to XHTML in December 1999