code: function triggerHandler(eventName, event, target) {
                var match = !bubbleSelector;
                var el = bubbleSelector ? target : registeredOn;
                if (bubbleSelector) {
                  var selectorFilter = getFilterFunc(bubbleSelector, registeredOn);
                  while (el && el != registeredOn && !(match = selectorFilter(el)))
                    el = el['parentNode'];
                }
                return (!match) || (name != eventName) || ((handler.apply($(el), args || [event, index]) && prefix=='?') || prefix == '|');
              }
docs: returns true if processing should be continued