namespace-uri
The namespace-uri
function returns a string representing the namespace URI of the first node in a given node-set.
Syntax
namespace-uri( [node-set] )
Parameters
node-set
(optional)-
The namespace URI of the first node in this node-set will be returned. If this argument is omitted, the current context node will be used.
Return value
A string representing URI of the namespace in which the given node resides.
Description
- If the given node does not have a specified namespace, the returned string will be an empty string.
- For nodes other than element and attribute nodes, the returned string will always be an empty string.
Specifications
Gecko support
Supported.