The XPathNSResolver interface permits prefix strings in an XPath expression to be properly bound to namespace URI strings.

The XPathEvaluator interface can construct an implementation of XPathNSResolver from a node, or the interface may be implemented by any application.


Looks up the namespace URI associated to the given namespace prefix.


Specification Status Comment
Document Object Model (DOM) Level 3 XPath Specification
The definition of 'XPathNSResolver' in that specification.
Recommendation Initial definition

Browser compatibility

No compatibility data found. Please contribute data for "api.XPathNSResolver" (depth: 1) to the MDN compatibility data repository.

See also