[Js]js写的倒计时功能效果实例
[Js]js写的倒计时功能效果实例
[Js]js写的倒计时功能效果实例
- 距离开幕式还有
- <br>
- <!--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, 2020 20:00:00") //**倒计时时间点-注意格式
- 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-->
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