JS 倒计时实现代码(时、分，秒)

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>JS实现倒计时(时、分，秒)</title> <script language="javascript" type="text/javascript"> var interval = 1000; function ShowCountDown(year,month,day,divname) { var now = new Date(); var endDate = new Date(year, month-1, day); var leftTime=endDate.getTime()-now.getTime(); var leftsecond = parseInt(leftTime/1000); //var day1=parseInt(leftsecond/(24*60*60*6)); var day1=Math.floor(leftsecond/(60*60*24)); var hour=Math.floor((leftsecond-day1*24*60*60)/3600); var minute=Math.floor((leftsecond-day1*24*60*60-hour*3600)/60); var second=Math.floor(leftsecond-day1*24*60*60-hour*3600-minute*60); var cc = document.getElementById(divname); cc.innerHTML = "脚本之家提示距离"+year+"年"+month+"月"+day+"日还有："+day1+"天"+hour+"小时"+minute+"分"+second+"秒"; } window.setInterval(function(){ShowCountDown(2010,4,20,'divdown1');}, interval); </script> </head> <body> <div id="divdown1"></div> </body> </html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

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JS 倒计时实现代码(时、分，秒)

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