code: function(e) {
              var target = Event.getTarget(e),
                  tabParent = this._tabParent,
                  tabs = this.get('tabs'),
                  tab,
                  tabEl,
                  contentEl;
  
              
              if (Dom.isAncestor(tabParent, target) ) {
                  for (var i = 0, len = tabs.length; i < len; i++) {
                      tabEl = tabs[i].get(ELEMENT);
                      contentEl = tabs[i].get(CONTENT_EL);
  
                      if ( target == tabEl || Dom.isAncestor(tabEl, target) ) {
                          tab = tabs[i];
                          break; // note break
                      }
                  } 
                  
                  if (tab) {
                      tab.fireEvent(e.type, e);
                  }
              }
          }
docs: Routes childNode events.
  @method DOMEventHandler
  @param {event} e The Dom event that is being handled.
  @return void