JS实现秒杀倒计时特效

时间:2021-04-02 人气:0

知识点

添加一个定时器，对时间标签不断进行更新设置即可。
引入工具库工具库

运行效果

代码

引入MyTool.js

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <style>
    div{
      font-size: 30px;
    }
    span{
      background-color: #000;
      color: #fff;
      border-radius: 10px;
      padding: 0 5px;
    }
  </style>
</head>
<body>
<div id="box">
  <span>00</span>:<span>00</span>:<span>00</span>
</div>
<script src="../00MyTools/MyTools.js"></script>
<script>
  window.addEventListener('load',function (ev) {
    var hour = myTool.$('box').children[0], min = myTool.$('box').children[1], sec = myTool.$('box').children[2];
    var time = 8 * 60 * 60;
    var timer = setInterval(function () {
      time--;
      hour.innerText = myTool.addZero(myTool.secondToHourMinSecond(time).hour);
      min.innerText = myTool.addZero(myTool.secondToHourMinSecond(time).min);
      sec.innerText = myTool.addZero(myTool.secondToHourMinSecond(time).second);
      if (time===0){
        clearInterval(timer);
      }
    },1000);
  },false);
</script>
</body>
</html>

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