vue.js-div怎么隐藏滚动条

mounted () {

  var bop = document.getElementById(this.id);

  if(bop == undefined){

  return;

  }

  var isFirefox=navigator.userAgent.indexOf("Firefox")

  if(isFirefox>0){

  bop.addEventListener('DOMMouseScroll', function(event) { //火狐

   var evt = window.event || arguments[0]

   if (evt.detail <= -3) {

   bop.scrollTop=bop.scrollTop-10

   } else if (evt.detail >= 3) {

   bop.scrollTop=bop.scrollTop+10

   }

   evt.stopPropagation();

   evt.preventDefault();

  }, false);

  }else{

  bop.addEventListener("mousewheel",function(event) {

   var evt = window.event || arguments[0]

   evt.returnValue = false //屏蔽body滚动事件

   if (evt.wheelDelta <= -120) {

   bop.scrollTop=bop.scrollTop+40

   } else if (evt.wheelDelta >= 120) {

   bop.scrollTop=bop.scrollTop-40

   }

  })

  }

 }

 }