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    The ParentNode.childElementCount read-only property returns an unsigned long representing the number of child elements of the given element.

    This property was initially defined in the ElementTraversal pure interface. As this interface contained two distinct set of properties, one aimed at Node that have children, one at those that are children, they have been moved into two separate pure interfaces, ParentNode and ChildNode. In this case, childElementCount moved to ParentNode. This is a fairly technical change that shouldn't affect compatibility.


    var elCount = elementNodeReference.childElementCount; 


    Specification Status Comment
    The definition of 'ParentNode.childElementCount' in that specification.
    Living Standard Splitted the ElementTraversal interface in ChildNode and ParentNode. This method is now defined on the latter.
    The Document and DocumentFragment implemented the new interfaces.
    Element Traversal Specification
    The definition of 'ElementTraversal.childElementCount' in that specification.
    Recommendation Added its initial definition to the ElementTraversal pure interface and use it on Element.

    Browser compatibility

    Help improve compatibility tables by filling out this 11 question survey.

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (on Element) 1.0 3.5 (1.9.1) 9.0 [1] 10.0 4.0
    Support on Document and DocumentFragment 29.0 25.0 (25.0) Not supported 16.0 Not supported
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (on Element) (Yes) 1.0 (1.9.1) (Yes) (Yes) (Yes)
    Support on Document and DocumentFragment (Yes) 25.0 (25.0) Not supported 16.0 Not supported

    [1] Internet Explorer 6, 7 and 8 supported it, but erroneously counts Comment nodes.

    See also

    Document Tags and Contributors

    Contributors to this page: teoli
    Last updated by: teoli,