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] )

Arguments

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.

Returns

A string representing URI of the namespace in which the given node resides.

Notes

  • 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.

Defined

XPath 1.0 4.1

Gecko support

Supported.

Document Tags and Contributors

Contributors to this page: SphinxKnight, Sheppy, Mgjbot, Fredchat, Ptak82, Jonnyq
Last updated by: SphinxKnight,