XML DOM lookupNamespaceURI() Method
❮ 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 (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("book")[0];
document.getElementById("demo").innerHTML =
x.lookupNamespaceURI("c");
}
Output:
https://w3.p2hp.com/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
