XML DOM lookupPrefix() Method
Element Object
Example
The following code fragment loads "books_ns.xml" into xmlDoc and finds the prefix for the given namespace URI:
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.lookupPrefix("http://www.w3schools.com/children/");
}
Output:
c
Try it Yourself »
Definition and Usage
The lookupPrefix() method returns the prefix matching the specified namespace URI on the current node.
Syntax
elementNode.lookupPrefix(URI)
| Parameter | Description |
|---|---|
| URI | Required. The namespace URI for the prefix to find |
Element Object
