XML DOM lookupPrefix()Methods


Element object

Definition and Usage

The lookupPrefix() method returns the prefix that matches the specified namespace URI on the current node.

Syntax

elementNode.lookupPrefix(URI)

Parameter Description
URI Required. The namespace of the prefix to look up.


Example

The following code snippet usesloadXMLDoc()put "books_ns.xmlLoad into xmlDoc, and find the prefix of the namespace URI in the first <book> element:

Example

xmlDoc=loadXMLDoc("books_ns.xml"); ​ x=xmlDoc.getElementsByTagName("book")[0]; ​ document.write(x.lookupPrefix("http://www.example.com/w3cnote/"));

Output:

c

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