京东秒杀简单实现 

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="./icon-font/iconfont.css">
  <style>
    * {
      padding: 0px;
      margin: 0px;

    }

    .box {
      margin: 20px auto;
      width: 200px;
      height: 280px;
      background-color: #f6472d;
      text-align: center;
      color: white;
      padding-top: 50px;
    }

    .a3 {
      font-size: 40px;
      margin: 10px auto;
    }

    .timers {
      margin-top: 40px;
    }

    .timers span {
      background-color: #303330;
      display: inline-block;
      font-size: 25px;
      font-weight: 700;
      color: white;
      width: 45px;
      height: 45px;
      line-height: 45px;
    }
  </style>
  <script>
    window.onload = function () {

      var setUpTime = new Date("2021-6-2 13:42:00")
      secondKillStyle(setUpTime)

      function secondKillStyle(setUpTime) {
        setInterval(function () {
          var nowTime = new Date()
          var secondKillTime = setUpTime.getTime() - nowTime.getTime();

          if (secondKillTime >= 0) {
            var hourTime = parseInt(secondKillTime / 1000 / 60 / 60 % 24)
            var miunteTime = parseInt(secondKillTime / 1000 / 60 % 60)
            var secondTime = parseInt(secondKillTime / 1000 % 60)
            console.log(hourTime + ":" + miunteTime + ":" + secondTime)
            document.querySelector(".hour").innerHTML = hourTime > 9 ? hourTime : "0" + hourTime
            document.querySelector(".minute").innerHTML = miunteTime > 9 ? miunteTime : "0" + miunteTime
            document.querySelector(".second").innerHTML = secondTime > 9 ? secondTime : "0" + secondTime
          }
        }, 1000)
      }
    }
  </script>
</head>

<body>
  <div class="box">
    <h1>京东秒杀</h1>
    <h2>FLASH DEALS</h2>
    <div class="iconfont icon-fulmination-01 a3"></div>
    <h4 class="countdown">距离本场结束还剩</h4>
    <div class="timers">
      <span class="hour">01</span>
      <span class="minute">49</span>
      <span class="second">46</span>
    </div>
  </div>
</body>

其中的闪电图标是icon-font里随便找的

posted @ 2021-06-02 13:43  fk11  阅读(128)  评论(0)    收藏  举报