JS常用倒计时代码实例总结

2024-05-06 15:01:31

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本文实例总结了JS常用倒计时代码。分享给大家供大家参考，具体如下：

第一种：精确到秒的javascript倒计时代码

<form name="form1"><div align="center" align="center"><center>离2010年还有:<br><input type="textarea" name="left" size="35" style="text-align: center"></center></div></form><script LANGUAGE="javascript">startclock()var timerID = null;var timerRunning = false;function showtime() {Today = new Date();var NowHour = Today.getHours();var NowMinute = Today.getMinutes();var NowMonth = Today.getMonth();var NowDate = Today.getDate();var NowYear = Today.getYear();var NowSecond = Today.getSeconds();if (NowYear <2000)NowYear=1900+NowYear;Today = null;Hourleft = 23 - NowHourMinuteleft = 59 - NowMinuteSecondleft = 59 - NowSecondYearleft = 2009 - NowYearMonthleft = 12 - NowMonth - 1Dateleft = 31 - NowDateif (Secondleft<0){Secondleft=60+Secondleft;Minuteleft=Minuteleft-1;}if (Minuteleft<0){Minuteleft=60+Minuteleft;Hourleft=Hourleft-1;}if (Hourleft<0){Hourleft=24+Hourleft;Dateleft=Dateleft-1;}if (Dateleft<0){Dateleft=31+Dateleft;Monthleft=Monthleft-1;}if (Monthleft<0){Monthleft=12+Monthleft;Yearleft=Yearleft-1;}Temp=Yearleft+'年, '+Monthleft+'月, '+Dateleft+'天, '+Hourleft+'小时, '+Minuteleft+'分, '+Secondleft+'秒'document.form1.left.value=Temp;timerID = setTimeout("showtime()",1000);timerRunning = true;}var timerID = null;var timerRunning = false;function stopclock () {if(timerRunning)clearTimeout(timerID);timerRunning = false;}function startclock () {stopclock();showtime();}// --></script>

第二种：某某运动会

<!--倒计时Javascript begin--><script language="JavaScript"><!--function DigitalTime1(){var deadline= new Date("08/13/2007") //开幕倒计时var symbol="8月13日"var now = new Date()var diff = -480 - now.getTimezoneOffset() //是北京时间和当地时间的时间差var leave = (deadline.getTime() - now.getTime()) + diff*60000var day = Math.floor(leave / (1000 * 60 * 60 * 24))var hour = Math.floor(leave / (1000*3600)) - (day * 24)var minute = Math.floor(leave / (1000*60)) - (day * 24 *60) - (hour * 60)var second = Math.floor(leave / (1000)) - (day * 24 *60*60) - (hour * 60 * 60) - (minute*60)var deadline_2= new Date("08/13/2004") //开幕后计时var symbol_2="8月13日"var now_2 = new Date()var diff_2 = -480 - now.getTimezoneOffset() //是北京时间和当地时间的时间差var leave_2 = (now_2.getTime() - deadline_2.getTime()) + diff_2*60000var day_2 = Math.floor(leave_2 / (1000 * 60 * 60 * 24))var hour_2 = Math.floor(leave_2 / (1000*3600)) - (day_2 * 24)var minute_2 = Math.floor(leave_2 / (1000*60)) - (day_2 * 24 *60) - (hour_2 * 60)var second_2 = Math.floor(leave_2 / (1000)) - (day_2 * 24 *60*60) - (hour_2 * 60 * 60) - (minute_2*60)day=day+1;day_2=day_2+1;if (day>0) //还未开幕{//LiveClock1.innerHTML = "现在"+symbol+"天"LiveClock1.innerHTML = "<fontsetTimeout("DigitalTime1()",1000)}if (day<0) //已经开幕{//LiveClock1.innerHTML = "现在离"+symbol+"还有"+day+"天"+hour+"小时"+minute+"分"+second +"秒"LiveClock1.innerHTML = "<fontsetTimeout("DigitalTime1()",1000)}if (day==0) //正在开幕{//LiveClock1.innerHTML = "现在"+symbol+"天"LiveClock1.innerHTML = "<fontsetTimeout("DigitalTime1()",1000)}if (day<0 & day_2>19) //某某运动会结束{//LiveClock1.innerHTML = "现在离"+symbol+"还有"+day+"天"+hour+"小时"+minute+"分"+second +"秒"LiveClock1.innerHTML = "<fontsetTimeout("DigitalTime1()",1000)}}// --></script><!--倒计时Javascript end--><body onload=DigitalTime1()><div id= LiveClock1></div></body>

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