菜鸟：关于24小时循环倒计时的问题_html/css_WEB-ITnose

这个代码一直很好用，昨天需要用到就找了出来，但是时分秒却显示NAN NAN NAN ，我什么也没动过。我尝试电脑断网把日期往前调整1个月后刷新网页就正常显示了，我不懂代码，只能求助大神了。希望大神白忙之中帮我修改下，最好能标注上哪里出现的问题，让我这个小白也学习学习。

回复讨论(解决方案)

贴代码。。。

倒计时




var baselocation = '';
var importURL = '';

var starttime =new Date("3/8/2011 0");

var now = new Date();
var changeDay = 2;
var endDay = parseInt((now.getDate() + changeDay)/2)*2;
var urodz = new Date((now.getMonth()+1)+"/" + endDay + "/2011 0");
urodz.setTime(urodz.getTime() + 1000 * 60 * 60 * 24 * 2);
now.setDate(now.getDate() + changeDay);
$().ready(function() {
GetServerTimesf();
setInterval("GetServerTimesf()",1000);//用GetServerTimesf
});

function GetServerTimesf() {
if(document.getElementById("time_last")!=null){//time_last1 不是 time_last

now.setTime(now.getTime()+1000);
var days = (urodz - now) / 1000 / 60 / 60 / 24;
var daysRound = Math.floor(days);
var hours = (urodz - now) / 1000 / 60 / 60 - (24 * daysRound);
var hoursRound = Math.floor(hours);
var minutes = (urodz - now) / 1000 /60 - (24 * 60 * daysRound) - (60 * hoursRound);
var minutesRound = Math.floor(minutes);
var seconds = (urodz - now) / 1000 - (24 * 60 * 60 * daysRound) - (60 * 60 * hoursRound) - (60 * minutesRound);
var secondsRound = Math.round(seconds);
$("#h_01").html(hoursRound);
$("#s_01").html(minutesRound);
$("#m_01").html(secondsRound);
$("#h_02").html(hoursRound);
$("#s_02").html(minutesRound);
$("#m_02").html(secondsRound);
$("#h_03").html(hoursRound);
$("#s_03").html(minutesRound);
$("#m_03").html(secondsRound);
}
}
//结束

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