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    NodeIterator.filter

    The NodeIterator.filter read-only method returns a NodeFilter object, that is an object implement an acceptNode(node) method, used to screen nodes.

    When creating the NodeIterator, the filter object is passed in as the third parameter, and the object method acceptNode(node) is called on every single node to determine whether or not to accept it. This function should return the constant NodeFilter.FILTER_ACCEPT for cases when the node should be accepted and NodeFilter.FILTER_REJECT for cases when the node should be rejected.

    Syntax

    nodeFilter = nodeIterator.filter;
    

    Example

    var nodeIterator = document.createNodeIterator(
        document.body,
        NodeFilter.SHOW_ELEMENT,
        { acceptNode: function(node) { return NodeFilter.FILTER_ACCEPT; } },
        false
    );
    nodeFilter = nodeIterator.filter;

    Specifications

    Specification Status Comment
    DOM
    The definition of 'NodeIterator.filter' in that specification.
    Living Standard No change from Document Object Model (DOM) Level 2 Traversal and Range Specification.
    Document Object Model (DOM) Level 2 Traversal and Range Specification
    The definition of 'NodeIterator.filter' in that specification.
    Recommendation Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 1.0 3.5 (1.9.1) 9.0 9.0 3.0
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) 1.0 (1.9.1) (Yes) 9.0 3.0

    See also

    Document Tags and Contributors

    Last updated by: fscholz,