MDN may have intermittent access issues April 18 13:00 - April 19 01:00 UTC. See whistlepig.mozilla.org for all notifications.

mozilla
Your Search Results

    Node.isDefaultNamespace()

    The Node.isDefaultNamespace()method accepts a namespace URI as an argument and returns a Boolean with a value of true if the namespace is the default namespace on the given node or false if not.

    Syntax

    result = node.isDefaultNamespace(namespaceURI) 
    
    • result holds the return value true or false.
    • namespaceURI is a string representing the namespace against which the element will be checked.

    Example

    var XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
    var el = document.getElementsByTagNameNS(XULNS, 'textbox')[0];
    
    alert(el.isDefaultNamespace(XULNS)); // true

    Specification

    Document Tags and Contributors

    Last updated by: fscholz,