components/utils/scripts/jit.js
function(e, win) {
      var event = $.event.get(e, win);
      var wheel = $.event.getWheel(event);
      that.handleEvent('MouseWheel', e, win, wheel);
    }
function(e, win) {
      var event = $.event.get(e, win);
      var wheel = $.event.getWheel(event);
      that.handleEvent('MouseWheel', e, win, wheel);
    }
function ( e , win ) { var event = $ . event . get ( e , win ) ; var wheel = $ . event . getWheel ( event ) ; that . handleEvent ( 'MouseWheel' , e , win , wheel ) ; }
attach mousewheel event
attach mousewheel event