code: function fnTouchend () {
      var me = this
      var options = me._options
      var domUp = options.domUp
      var _absMoveY = Math.abs(me._moveY)
  
      //alert(me.touchScrollTop+me.direction)
      if (me.touchScrollTop <= 0
        && me.direction == 'up'
      ) {
        fnTransition(options.domUp.dom, 300)
        if (_absMoveY > options.domUp.getDistance()) {
          domUp.dom.style.height = options.domUp.getDistance() + "px"
          domUp.loadingCall()
          me.loading = true
          me.directive.vm.$get(options.loadUpFn)
        } else {
          domUp.dom.style.height = '0px'
        }
      }
      me._moveY = 0
    }
docs: touchend