XML DOM hasChildNodes() Method
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
