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XML Tutorial

XML HOME XML Introduction XML How to use XML Tree XML Syntax XML Elements XML Attributes XML Namespaces XML Display XML HttpRequest XML Parser XML DOM XML XPath XML XSLT XML XQuery XML XLink XML Validator XML DTD XML Schema XML Server XML Examples XML Quiz XML Certificate

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XML DOM

DOM Introduction DOM Nodes DOM Accessing DOM Node Info DOM Node List DOM Traversing DOM Navigating DOM Get Values DOM Change Nodes DOM Remove Nodes DOM Replace Nodes DOM Create Nodes DOM Add Nodes DOM Clone Nodes DOM Examples

XPath Tutorial

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XSLT Tutorial

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XML DTD

DTD Introduction DTD Building Blocks DTD Elements DTD Attributes DTD Elements vs Attr DTD Entities DTD Examples

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References

DOM Node Types DOM Node DOM NodeList DOM NamedNodeMap DOM Document DOM Element DOM Attribute DOM Text DOM CDATA DOM Comment DOM XMLHttpRequest DOM Parser XSLT Elements XSLT/XPath Functions

XML DOM hasChildNodes() Method

❮ Node Object

Example

The following code fragment loads "books.xml" into xmlDoc and returns whether the first <book> element has any child nodes:

var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
   if (this.readyState == 4 && this.status == 200) {
       myFunction(this);
   }
};
xhttp.open("GET", "books.xml", true);
xhttp.send();

function myFunction(xml) {
    var xmlDoc = xml.responseXML;
    var x = xmlDoc.getElementsByTagName('book')[0];
    document.getElementById("demo").innerHTML =
    x.hasChildNodes();
}

The output of the code above will be:

true
Try it Yourself »

Definition and Usage

The hasChildNodes() method returns true if the specified node has any child nodes, otherwise false.

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The hasChildNodes() method is supported in all major browsers.

Syntax

nodeObject.hasChildNodes()

Parameters

None.

Return Value

Type Description
Boolean Returns true if the specified node has any child nodes, otherwise false

Technical Details

DOM Version Core Level 1 Node Object
❮ Node Object