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    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: Ptak82, Sheppy, Fredchat, Jonnyq, Mgjbot
    Last updated by: Sheppy,