离开某一天日期

下面为效果显示区!

离开人类登月已经

脚本说明:
第一步:把如下代码加入<body>区域中

<!--

var timerID;

var timerRunning = false;

var today = new Date();

var startday = new Date();

var secPerDay = 0;

var minPerDay = 0;

var hourPerDay = 0;

var secsLeft = 0;

var secsRound = 0;

var secsRemain = 0;

var minLeft = 0;

var minRound = 0;

var minRemain = 0;

var timeRemain = 0;

/* This function will stop the clock */

function stopclock()

{

if(timerRunning)

clearTimeout(timerID);

timerRunning = false;

}

/* This function will start the clock */

function startclock()

{

stopclock();

showtime1();

}

/* This function will display the count-up */

function showtime1()

{

startday = new Date("July 20, 1969 16:18 EDT");

startday.setYear("1969");

today = new Date();

secsPerDay = 1000 ;

minPerDay = 60 * 1000 ;

hoursPerDay = 60 * 60 * 1000;

PerDay = 24 * 60 * 60 * 1000;

/* Seconds */

secsLeft = (today.getTime() - startday.getTime()) / minPerDay;

secsRound = Math.round(secsLeft);

secsRemain = secsLeft - secsRound;

secsRemain = (secsRemain < 0) ? secsRemain = 60 - ((secsRound - secsLeft) * 60) : secsRemain = (secsLeft - secsRound) * 60;

secsRemain = Math.round(secsRemain);

/* Minutes */

minLeft = ((today.getTime() - startday.getTime()) / hoursPerDay);

minRound = Math.round(minLeft);

minRemain = minLeft - minRound;

minRemain = (minRemain < 0) ? minRemain = 60 - ((minRound - minLeft) * 60) : minRemain = ((minLeft - minRound) * 60);

minRemain = Math.round(minRemain - 0.495);

/* Hours */

hoursLeft = ((today.getTime() - startday.getTime()) / PerDay);

hoursRound = Math.round(hoursLeft);

hoursRemain = hoursLeft - hoursRound;

hoursRemain = (hoursRemain < 0) ? hoursRemain = 24 - ((hoursRound - hoursLeft) * 24)  : hoursRemain = ((hoursLeft - hoursRound) * 24);

hoursRemain = Math.round(hoursRemain - 0.5);

/* Days */

daysLeft = ((today.getTime() - startday.getTime()) / PerDay);

daysLeft = (daysLeft - 0.5);

daysRound = Math.round(daysLeft);

daysRemain = daysRound;

/* Time */

if (daysRemain == 1)

{

day_rem = " day, "

}

else

{

day_rem = " days, "

}

if (hoursRemain == 1)

{

hour_rem = " hour, "

}

else

{

hour_rem = " hours, "

}

if (minRemain == 1)

{

min_rem = " minute, "

}

else

{

min_rem = " minutes, "

}

if (secsRemain == 1)

{

sec_rem = " second"

}

else

{

sec_rem = " seconds"

}

timeRemain = daysRemain + day_rem + hoursRemain + hour_rem + minRemain +

min_rem + secsRemain + sec_rem;

document.up.face.value = timeRemain;

timerID = setTimeout("showtime1()",1000);

timerRunning = true;

}

//-->

</SCRIPT>
<FORM NAME="up">

</FORM>

<P>

<FONT SIZE=+1 FACE="Arial">
离开人类登月已经
</FONT>

第二步:把<body>中的内容改为:
<body bgcolor="#fef4d9" onLoad="startclock()">

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