一个不错的js html页面倒计时可精确到秒,很简单,但和实用
<!doctype html> <html> <head> <meta charset=\"utf-8\"> </head> <body> <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 getRTime(){ var EndTime= new Date(\'2014/10/23 10:00:00\'); //截止时间 var NowTime = new Date(); var t =EndTime.getTime() - NowTime.getTime(); /*var d=Math.floor(t/1000/60/60/24); t-=d*(1000*60*60*24); var h=Math.floor(t/1000/60/60); t-=h*60*60*1000; var m=Math.floor(t/1000/60); t-=m*60*1000; var s=Math.floor(t/1000);*/ 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(getRTime,1000); </script> </body> </html>
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