third_party/js/mozmill/shared-modules/dom-utils.js
function nodeCollector_filter(aCallback, aThisObject) {
    if (!aCallback)
      throw new Error(arguments.callee.name + ": No callback specified");

    this.nodes = Array.filter(this.nodes, aCallback, aThisObject);

    return this;
  }
function nodeCollector_filter(aCallback, aThisObject) {
    if (!aCallback)
      throw new Error(arguments.callee.name + ": No callback specified");

    this.nodes = Array.filter(this.nodes, aCallback, aThisObject);

    return this;
  }
function nodeCollector_filter ( aCallback , aThisObject ) { if ( ! aCallback ) throw new Error ( arguments . callee . name + ": No callback specified" ) ; this . nodes = Array . filter ( this . nodes , aCallback , aThisObject ) ; return this ; }
Filter nodes given by the specified callback function

@param {function} aCallback
Function to test each element of the array.
Elements: node, index (optional) , array (optional)
@param {object} aThisObject
Object to use as 'this' when executing callback.
[optional - default: function scope]

@returns The class instance
@type {object}
Filter nodes given by the specified callback function