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2ãåæ¢å°ä»£ç è§å¾ï¼å¨<head></head>æ ç¾éï¼<title></title>æ ç¾åé¢è¾å ¥JavaScriptæ ç¾ã <script type="text/javascript"></script>
3ãå¨scriptæ ç¾éå®ä¹ä¸ä¸ªtime()å½æ°
function time()
{
thistime=new Date() //å建ä¸ä¸ªå¯¹è±¡
var hours=thistime.getHours() //è·åæ¶é
var minutes=thistime.getMinutes() //è·ååé
var seconds=thistime.getSeconds() //è·åç§é
var years=thistime.getYear() //è·åå¹´
var months=thistime.getMonth() //è·åæ
var days=thistime.getDay() è·åæ¥
}
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if(eval(hours)<10)
{
hours="0"+hours
}
if(eval(minutes<10))
{
minutes="0"+minutes
}
if(seconds<10)
{
seconds="0"+seconds
5ãthistime=hours+":"+minutes+":"+seconds //ææ¶é´æ¾ç¤ºé¡ºåºè°æ´å¥½
document.title=thistime //å¨æ é¢æ¾ç¤º
var timer=setTimeout("time()",1000) //设置计æ¶å¨ï¼è®©æ¶é´æ¯åæ¯ç§æ´æ°
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<body onload="time()">
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