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JavaScript實現的商品搶購倒計時功能示例代碼教程

  本文實例講述了JavaScript實現的商品搶購倒計時功能。分享給大家供大家參考,具體如下:

<html>
<head>
<meta charset="utf-8">
<title>JS搶購倒計時</title>
</head>
<body>
<span id="times" >
<SCRIPT LANGUAGE="JavaScript">
function _fresh()
{
 var endtime=new Date("2017/4/23,19:33:12");
 var nowtime = new Date();
 var leftsecond=parseInt((endtime.getTime()-nowtime.getTime())/1000);
 __d=parseInt(leftsecond/3600/24);
 __h=parseInt((leftsecond/3600)%24);
 __m=parseInt((leftsecond/60)%60);
 __s=parseInt(leftsecond%60);
var c=new Date();
var q=((c.getMilliseconds())%10);
 document.getElementById("times").innerHTML=__d+"天 "+__h+"小時"+__m+"分"+__s+"."+q+"秒";
 if(leftsecond<=0){
 document.getElementById("times").innerHTML="搶購已結束";
 clearInterval(sh);
 }
}
_fresh()
var sh;
sh=setInterval(_fresh,100);
</SCRIPT>
</span>
</body>
</html>

  運行效果圖如下:

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