北京奥运会开幕式倒计时代码 html head title 倒计时测试/title !--倒计时设置代码-- script language="Javascript" !-- hide script from old browser var DifferenceHour = -1 var DifferenceMinute = -1 var DifferenceSecond = -1 var Tday = new Date("Aug 8, 2024 20:00:00") //**倒计时时间点-留意格式 var daysms = 24 * 60 * 60 * 1000 var hoursms = 60 * 60 * 1000 var Secondms = 60 * 1000 var microsecond = 1000 function 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":":")+minute timevalue +=((second 10) ? ":0":":")+second timevalue +=((hour 12 ) ? " PM":" AM") // document.formnow.now.value = timevalue var convertHour = DifferenceHour var convertMinute = DifferenceMinute var convertSecond = DifferenceSecond var Diffms = Tday.getTime() - time.getTime() DifferenceHour = Math.floor(Diffms / daysms) Diffms -= DifferenceHour * daysms DifferenceMinute = Math.floor(Diffms / hoursms) Diffms -= DifferenceMinute * hoursms DifferenceSecond = Math.floor(Diffms / Secondms) Diffms -= DifferenceSecond * Secondms var dSecs = Math.floor(Diffms / microsecond) if(convertHour != DifferenceHour) document.formnow.dd.value=DifferenceHour if(convertMinute != DifferenceMinute) document.formnow.hh.value=DifferenceMinute if(convertSecond != DifferenceSecond) document.formnow.mm.value=DifferenceSecond document.formnow.ss.value=dSecs // document.formnow.Tnow.value= DifferenceHour DifferenceMinute + DifferenceSecond + dSecs setTimeout("clock()",1000) } // end hiding -- /script /head !--BODY 里面的 ONLOAD 留意-- body onload="clock();return true" text="red" !--实现显示-- 距离北京奥运会开幕还有 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-- /html 更多信息请查看 IT 技术专栏
