京东倒计时

京东倒计时

   var h1 =  document.querySelector('.hours')var m1 =  document.querySelector('.minute')var s1 =  document.querySelector('.second')var time = '2021-12-10 2:00:00'function timeS(){var nowTime = +new Date()  //获取此刻的时间 var inputTime = +new Date(time)  //输入的时间times = (inputTime - nowTime) / 1000    //获取剩余的总毫秒数    剩余的总秒数 = 输入的时间毫秒数 - 此刻的时间毫秒数h = parseInt( times/ 60 /60 %24) >=10 ? parseInt( times/ 60 /60 %24) : "0" + parseInt( times/ 60 /60 %24)  //小时m =parseInt( times / 60 % 60 )>10 ? parseInt( times / 60 % 60 ) : "0" + parseInt( times / 60 % 60 )  //分钟s =parseInt( times % 60) > 10? parseInt( times % 60) : "0" + parseInt( times % 60)h1.innerHTML  = hm1.innerHTML = ms1.innerHTML = s} timeS()setInterval(timeS,1000)

  <div class="hours"></div><div class="minute"></div><div class="second"></div>

 div{width: 50px;height: 50px;background-color: blue;margin: 0 0 0 10px;float: left;color : white;text-align: center;line-height: 50px;}