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添加网站运行时间(JS实现)

2021-08-23 0条评论 2.2k次阅读 JavaScript


<p id="showTime" style="color:#000000;text-align:center;"></p>//这里相当于一个占位符,待会JS会在这里生成结果
<script>
  function showTime(){
      var birth = new Date('2021/05/24 13:00');//这里是起始时间
      var cur = new Date();
      var diff = (cur.getTime() - birth.getTime())/1000;//总时间差单位是秒
      var day = parseInt(diff/86400);
      var hour = parseInt((diff - day*86400)/3600);
      var min = parseInt((diff - day*86400 - hour*3600)/60);
      var second = parseInt((diff - day*86400 - hour*3600 - min*60));
      document.getElementById("showTime").innerHTML = "本站已运行了 " + day + "天" + hour + "小时" + min + "分钟" + second + "秒";//将结果写在开头的“占位符”p中
    }
    setInterval(showTime,1000);//每一秒执行一次该函数
</script>

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