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倒計時小程式

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>倒計時小工具</title>

<style>

.fc{

color:#FF0000;

}

</style>

<script type="text/javascript">

function GetDay()

{

/*以下是月份的英文寫法

January —1月

February —2月

March    —3月

April    —4月

May    —5月

June    —6月

July    —7月

August    —8月

September —9月

October —10月

November —11月

December —12月

*/

    var urodz= new Date("December 21,2012");

    var now = new Date();

    var ile = urodz.getTime() - now.getTime();

    var daySeconds = 1000 * 60 * 60 * 24;

    var day = Math.floor(ile / daySeconds);

    ile = ile - day * daySeconds;

    var hourSeconds = 1000 * 60 * 60;

    var hour = Math.floor(ile / hourSeconds);

    ile = ile - hour * hourSeconds;

    var minuteSeconds = 1000 * 60;

    var minute = Math.floor(ile / minuteSeconds);

    ile = ile - minute * minuteSeconds;

    var second = Math.floor(ile / 1000);

document.getElementById("divDay2").innerHTML=day;

    document.getElementById("divH").innerHTML=hour;

    document.getElementById("divM").innerHTML=minute;

    document.getElementById("divS").innerHTML=second;

setInterval("GetDay();",1000);

</script>  

</head>

<body>

<h4>距2012年12月21日世界末日還有   <span id="divDay2" class="fc"></span><span id="divDay1" class="fc"></span>天

<span id="divH" class="fc"></span>時<span id="divM" class="fc"></span>分<span id="divS" class="fc"></span>秒</h4>

</body>

</html>

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