FREE Web Template Download
HTML CSS JAVASCRIPT SQL PHP BOOTSTRAP JQUERY ANGULARJS TUTORIALS REFERENCES EXAMPLES Blog
 

XML DOM lookupNamespaceURI() Method


Element Object Reference Element Object

Example

The following code fragment loads "books_ns.xml" into xmlDoc and finds the namespace URI for the given "c" prefix:

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

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

Output:

http://tutorials/children/
Try it Yourself »

Definition and Usage

The lookupNamespaceURI() method returns the namespace matching the specified prefix on the current node.

Syntax

elementNode.lookupNamespaceURI(prefix)

Parameter Description
prefix Required. A string that specifies prefix to find

Element Object Reference Element Object