移动端触碰/滚动屏幕，弹出框隐藏

html:

<div class="langChange">        <div class="langTit">En ↓</div                             <div class="langBdshow" id="langBdshow" style="display:none">                .....        </div></div>

js:

  $(document).click(function(){      $("#langBdshow").hide();  });  $(".langChange").click(function(even){      event.stopPropagation();  //阻止冒泡传播，正常点击      if(){          ...      }else{         ...      }  $(".scroll-wrap").scroll(function(){      $(".langChange").trigger("click");   });