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织梦DedeCMS视频教程买空间 租服务器 选网硕互联！ 无忧站长工具,百度权重一键全查!
网页适时倒计时，精确到秒级，和天数倒计时原理一样。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="www.w3.org/1999/xhtml"> <head> <title>实时倒计时</title> <meta http-equiv="mrc-Type" mrc="text/html;charset=gb2312"> </head> <body> <!--单位：秒--> 剩余时间：<span id="endtime">10</span> <script type="text/javascript"> var CID = "endtime"; if(window.CID != null) { var iTime = document.getElementById(CID).innerText; var Account; RemainTime(); } function RemainTime() { var iDay,iHour,iMinute,iSecond; var sDay="",sHour="",sMinute="",sSecond="",sTime=""; if (iTime >= 0) { iDay = parseInt(iTime/24/3600); if (iDay > 0) { sDay = iDay + "天"; } iHour = parseInt((iTime/3600)%24); if (iHour > 0){ sHour = iHour + "小时"; } iMinute = parseInt((iTime/60)%60); if (iMinute > 0){ sMinute = iMinute + "分钟"; } iSecond = parseInt(iTime%60); if (iSecond >= 0){ sSecond = iSecond + "秒"; } if ((sDay=="")&&(sHour=="")){ sTime="<span style='color:darkorange'>" + sMinute+sSecond + "</font>"; } else { sTime=sDay+sHour+sMinute+sSecond; } if(iTime==0){ clearTimeout(Account); sTime="<span style='color:green'>时间到了！</span>"; } else { Account = setTimeout("RemainTime()",1000); } iTime=iTime-1; } else { sTime="<span style='color:red'>倒计时结束！</span>"; } document.getElementById(CID).innerHTML = sTime; } </script> </body> </html>