jQuery Add() not working
===

I am trying to build up a jQuery set using add() but my implementation is not adding elements to the set.

     var questionPath = $(); // create empty set
        var selectedRuleElement = $(event.currentTarget);
        questionPath.add(selectedRuleElement); //no element is added to set here!
        selectedRuleElement.find('li.property-value-node').each(function () {
            var questionId = $(this).attr('data-parent-id');
            questionPath.add($('#' + questionId)); // or here!
        });
        return questionPath;

Both of the above add() lines are given a valid element as an argument. Can someone tell me the correct way to add elements to a jQuery set?

