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XML DOM hasChildNodes() Method


Element Object Reference Element Object

Example

The following code fragment loads "books.xml" into xmlDoc and checks if 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 current element node has child nodes, and FALSE otherwise.

Syntax

elementNode.hasChildNodes()

Element Object Reference Element Object