XML DOM lookupPrefix() Method
Definition and Usage
The lookupPrefix() method can return the prefix that matches the specified namespace on the node.
Syntax:
nodeObject.lookupPrefix(URI)
| Parameter | Description |
|---|---|
| URI | Required. Namespace URI. |
Example
In all examples, we will use the XML file books_ns.xml, and JavaScript function loadXMLDoc().
The following code snippet can find the prefix of the namespace URI of the first <book> element:
xmlDoc=loadXMLDoc("books_ns.xml");
var x=xmlDoc.getElementsByTagName("book")[0];
document.write(x.lookupPrefix("http://www.codew3c.com/children/"));
Output:
c
