XPathNSResolver.lookupNamespaceURI()

The lookupNamespaceURI method looks up the namespace URI associated to the given namespace prefix within an XPath expression evaluated by the XPathEvaluator interface.

Syntax

DOMString XPathNSResolver.lookupNamespaceURI(prefix);

Parameters

prefix: A DOMString representing the prefix to look for.

Return value

A DOMString representing the associated namespace URI or null if none is found.

Specifications

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Browser compatibility

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