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
DOMStringrepresenting the prefix to look for.
Return value
A DOMString representing the associated namespace URI or null if none is found.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Document Object Model (DOM) Level 3 XPath Specification The definition of 'XPathNSResolver.lookupNamespaceURI()' in that specification. |
Recommendation | Initial definition |
Browser compatibility
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