滚动优化

Posted 2020-10-01 浩

    var timer=null;
      window.addEventListener(‘scroll‘,function(){
          console.log("timer1:",timer)
          if(timer==null){
             timer=setTimeout(function(){
                  console.log(new Date())
                 timer=null
              },300)
              console.log("timer2:",timer)
          }
          console.log("************")
      },false)