zepto的tap事件的点透问题的几种解决方案

$(document).ready(function(){
       var now, delta, deltaX = 0, deltaY = 0, firstTouch, _isPointerType
   
       if (‘MSGesture‘ in window) {
         gesture = new MSGesture()
         gesture.target = document.body
       }
   
       $(document)
        .bind(‘MSGestureEnd‘, function(e){
          var swipeDirectionFromVelocity =
            e.velocityX > 1 ? ‘Right‘ : e.velocityX < -1 ? ‘Left‘ : e.velocityY > 1 ? ‘Down‘ : e.velocityY < -1 ? ‘Up‘ : null;
          if (swipeDirectionFromVelocity) {
            touch.el.trigger(‘swipe‘)
            touch.el.trigger(‘swipe‘+ swipeDirectionFromVelocity)
          }
        })
        .on(‘touchstart MSPointerDown pointerdown‘, function(e){
          if((_isPointerType = isPointerEventType(e, ‘down‘)) &&
            !isPrimaryTouch(e)) return
         firstTouch = _isPointerType ? e : e.touches[0]
          if (e.touches && e.touches.length === 1 && touch.x2) {
            // Clear out touch movement data if we have it sticking around
            // This can occur if touchcancel doesn‘t fire due to preventDefault, etc.
            touch.x2 = undefined
            touch.y2 = undefined
          }
          now = Date.now()
          delta = now - (touch.last || now)
          touch.el = $(‘tagName‘ in firstTouch.target ?
            firstTouch.target : firstTouch.target.parentNode)
          touchTimeout && clearTimeout(touchTimeout)
          touch.x1 = firstTouch.pageX
          touch.y1 = firstTouch.pageY
          if (delta > 0 && delta <= 250) touch.isDoubleTap = true
          touch.last = now
          longTapTimeout = setTimeout(longTap, longTapDelay)
          // adds the current touch contact for IE gesture recognition
          if (gesture && _isPointerType) gesture.addPointer(e.pointerId);
        })
        .on(‘touchmove MSPointerMove pointermove‘, function(e){
          if((_isPointerType = isPointerEventType(e, ‘move‘)) &&
            !isPrimaryTouch(e)) return
          firstTouch = _isPointerType ? e : e.touches[0]
          cancelLongTap()
          touch.x2 = firstTouch.pageX
          touch.y2 = firstTouch.pageY
  
          deltaX += Math.abs(touch.x1 - touch.x2)
          deltaY += Math.abs(touch.y1 - touch.y2)
        })
        .on(‘touchend MSPointerUp pointerup‘, function(e){
          if((_isPointerType = isPointerEventType(e, ‘up‘)) &&
            !isPrimaryTouch(e)) return
          cancelLongTap()
  
          // swipe
          if ((touch.x2 && Math.abs(touch.x1 - touch.x2) > 30) ||
              (touch.y2 && Math.abs(touch.y1 - touch.y2) > 30))
  
            swipeTimeout = setTimeout(function() {
              touch.el.trigger(‘swipe‘)
              touch.el.trigger(‘swipe‘ + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2)))
              touch = {}
            }, 0)
  
          // normal tap
          else if (‘last‘ in touch)
            // don‘t fire tap when delta position changed by more than 30 pixels,
            // for instance when moving to a point and back to origin
            if (deltaX < 30 && deltaY < 30) {
              // delay by one tick so we can cancel the ‘tap‘ event if ‘scroll‘ fires
              // (‘tap‘ fires before ‘scroll‘)
              tapTimeout = setTimeout(function() {
  
                // trigger universal ‘tap‘ with the option to cancelTouch()
                // (cancelTouch cancels processing of single vs double taps for faster ‘tap‘ response)
                var event = $.Event(‘tap‘)
                event.cancelTouch = cancelAll
                touch.el.trigger(event)
  
                // trigger double tap immediately
                if (touch.isDoubleTap) {
                  if (touch.el) touch.el.trigger(‘doubleTap‘)
                  touch = {}
                }
  
                // trigger single tap after 250ms of inactivity
                else {
                  touchTimeout = setTimeout(function(){
                    touchTimeout = null
                    if (touch.el) touch.el.trigger(‘singleTap‘)
                    touch = {}
                  }, 250)
                }
              }, 0)
            } else {
              touch = {}
            }
           deltaX = deltaY = 0
 
       })
       // when the browser window loses focus,
       // for example when a modal dialog is shown,
       // cancel all ongoing events
       .on(‘touchcancel MSPointerCancel pointercancel‘, cancelAll)
 
     // scrolling the window indicates intention of the user
     // to scroll, not tap or swipe, so cancel all ongoing events
     $(window).on(‘scroll‘, cancelAll)
   })
 
   ;[‘swipe‘, ‘swipeLeft‘, ‘swipeRight‘, ‘swipeUp‘, ‘swipeDown‘,
     ‘doubleTap‘, ‘tap‘, ‘singleTap‘, ‘longTap‘].forEach(function(eventName){
     $.fn[eventName] = function(callback){ return this.on(eventName, callback) }
   })

1 window.addEventListener( "load", function() {
2     FastClick.attach( document.body );
3 }, false );

1 $(function() {
2     FastClick.attach(document.body);
3 });

1 var FastClick = require(‘fastclick‘);
2 FastClick.attach(document.body, options);

1 $("#cbFinish").on("touchend", function (event) {
2     //很多处理比如隐藏什么的
3     event.preventDefault();
4 });

1 $("#cbFinish").on("tap", function (event) {
2     setTimeout(function(){
3     //很多处理比如隐藏什么的
4     },320);
5 });