【JavaScript 实现倒计时(天、时、分、秒)】

时间：2023-03-09 06:29:32
【JavaScript 实现倒计时(天、时、分、秒)】 
 <!doctype html>

 <html>

 <head>

     <meta charset="utf-8">

     <title></title>

 </head>

 <body onload="get()">

 <div id="CountMsg" class="HotDate">

     <span id="t_d">00天</span>

     <span id="t_h">00时</span>

     <span id="t_m">00分</span>

     <span id="t_s">00秒</span>

 </div>

 <script type="text/javascript">

     function get(){

         var end= new Date('2018/05/1 10:00:00');

         var now = new Date();

         var t =end.getTime() - now.getTime();     //getTime()返回距...之间的毫秒数。

         var d=Math.floor(t/1000/60/60/24);

         var h=Math.floor(t/1000/60/60%24);

         var m=Math.floor(t/1000/60%60);

         var s=Math.floor(t/1000%60);

         document.getElementById("t_d").innerHTML = d + "天";

         document.getElementById("t_h").innerHTML = h + "时";

         document.getElementById("t_m").innerHTML = m + "分";

         document.getElementById("t_s").innerHTML = s + "秒";

     }

     setInterval(get,1000);

     </script>

 </body>

 </html>

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