距离2008北京奥运会开幕倒计时网页特效[js]
距离北京奥运会开幕还有<br><html><head><title>倒计时测试</title><!--倒计时设置代码--><script language="JavaScript"><!-- hide script from old browservar DifferenceHour = -1var DifferenceMinute = -1var DifferenceSecond = -1var Tday = new Date("Aug 8, 2008 20:00:00") //**倒计时时间点-注意格式var daysms = 24 * 60 * 60 * 1000var hoursms = 60 * 60 * 1000var Secondms = 60 * 1000var microsecond = 1000function clock(){var time = new Date()var hour = time.getHours()var minute = time.getMinutes()var second = time.getSeconds()var timevalue = ""+((hour > 12) ? hour-12:hour)timevalue +=((minute < 10) ? ":0":":")+minutetimevalue +=((second < 10) ? ":0":":")+secondtimevalue +=((hour >12 ) ? " PM":" AM")// document.formnow.now.value = timevaluevar convertHour = DifferenceHourvar convertMinute = DifferenceMinutevar convertSecond = DifferenceSecondvar Diffms = Tday.getTime() - time.getTime()DifferenceHour = Math.floor(Diffms / daysms)Diffms -= DifferenceHour * daysmsDifferenceMinute = Math.floor(Diffms / hoursms)Diffms -= DifferenceMinute * hoursmsDifferenceSecond = Math.floor(Diffms / Secondms)Diffms -= DifferenceSecond * Secondmsvar dSecs = Math.floor(Diffms / microsecond)if(convertHour != DifferenceHour) document.formnow.dd.value=DifferenceHourif(convertMinute != DifferenceMinute) document.formnow.hh.value=DifferenceMinuteif(convertSecond != DifferenceSecond) document.formnow.mm.value=DifferenceSeconddocument.formnow.ss.value=dSecs// document.formnow.Tnow.value= DifferenceHour DifferenceMinute + DifferenceSecond + dSecssetTimeout("clock()",1000)}// end hiding --></script></head><!--BODY里面的ONLOAD注意--><body onload="clock();return true" text="red"><!--实现显示--><form name="formnow"><input name="dd" type="text" style="border:0;" size=2>天<input name="hh" type="text" style="border:0;" size=2>小时<input name="mm" type="text" style="border:0;" size=2>分<input name="ss" type="text" style="border:0;" size=2>秒</form><!--倒计时完毕-->效果：
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![距离2008北京奥林匹克运动会开幕倒计时网页特效[js]](http://img.reader8.net/uploadfile/jiaocheng/2014/011453/2014011401534414978.jpg)
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来自：http://www.alixixi.com/Dev/HTML/jsrun/times/2008/2008022479842.html
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