XML DOM getAttributeNodeNS() Method
❮ Element Object
Example
The following code fragment loads "books_ns.xml" into xmlDoc and gets the "lang" attribute node from the first <title> element:
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
   if (this.readyState == 4 && this.status == 200) {
       myFunction(this);
   }
};
xhttp.open("GET", "books_ns.xml", true);
xhttp.send();
function myFunction(xml) {
           var xmlDoc = xml.responseXML;
    var x = 
xmlDoc.getElementsByTagName("title")[0];
    var ns = "https://www.w3schools.com/children/";
    
var y = x.getAttributeNodeNS(ns,"lang");
    
document.getElementById("demo").innerHTML =
    y.nodeName 
+ " = " + y.nodeValue;
}
Output:
c:lang = en
Try it Yourself »
Definition and Usage
The getAttributeNS() method gets an attribute node by namespace URI and name.
Syntax
elementNode.getAttributeNodeNS(ns,name)
| Parameter | Description | 
|---|---|
| ns | Required. Specifies the namespace URI to get the attribute value from | 
| name | Required. Specifies the attribute to get the attribute value from | 
❮ Element Object

