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    nsIDOMXPathExpression

    Represents a compiled XPath query returned from nsIDOMXPathEvaluator.createExpression or document.createExpression
    Inherits from: nsISupports Last changed in Gecko 1.7

    Method overview

    nsISupports evaluate(in nsIDOMNode contextNode, in unsigned short type, in nsISupports result)

    Methods

    evaluate()

    Evaluate the XPath expression.

    nsISupports evaluate(
  in nsIDOMNode contextNode,
  in unsigned short type,
  in nsISupports result
);
    Parameters
    contextNode
    A DOM node to evaluate the XPath expression against. To evaluate against a whole document, use the document.documentElement method to get the node to evaluate against.
    type
    A number that corresponds to one of the type constants of nsIDOMXPathResult.
    result
    An existing nsIDOMXPathResult to use for the result. Using null will create a new nsIDOMXPathResult.
    Return value

    An XPath result.

    See also

    Document Tags and Contributors

    Tags: 
     Contributors to this page: Sheppy, fscholz, trevorh
     Last updated by: Sheppy,