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XML DOM hasChildNodes() Method


Node Object Reference 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 (xhttp.readyState == 4 && xhttp.status == 200) {
        myFunction(xhttp);
    }
};
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 Reference Node Object