<html><head>
<script>
function time()
{
  var date=new Date();
  var full_date=date.getFullYear()+"-"+date.getMonth()+"-"+date.getDate()+"  "+date.getHours()+":"+date.getMinutes()+":"+date.getSeconds()
  aa.innerText=full_date
}
setInterval("time()",1000)
</script>
</head><body onload="time()">
<p id=aa></p>
</body></html>

解决方案 »

  1.   

    <html><head>
    <script language="javascript">
    function String.prototype.right(n){return this.substring(this.length - n,this.length);}
    var hh=0,mm=0,ss=0; function time(){
    ss++;
    if(ss==60){
    ss = 0;
    mm++;
    if(mm == 60){
    mm = 0;
    hh++;
    }
    } document.all('aa').innerText=('0'+hh).right(2)+":"+('0'+mm).right(2)+":"+('0'+ss).right(2);
    setTimeout("time()",1000);
    }
    </script>
    </head><body>
    <input type="button" value="開始" onclick="time();">
    <p id=aa>00:00:00</p>
    </body></html>
      

  2.   

    修改一下<html><head>
    <script language="javascript">
    function String.prototype.right(n){return this.substring(this.length - n,this.length);}
    var hh=0,mm=0,ss=0,t; function time(){
    ss++;
    if(ss==60){
    ss = 0;
    mm++;
    if(mm == 60){
    mm = 0;
    hh++;
    }
    } document.all('aa').innerText=('0'+hh).right(2)+":"+('0'+mm).right(2)+":"+('0'+ss).right(2);
    t=setTimeout("time()",1000);
    }

    function clearTime(){
    clearTimeout(t);
    }
    </script>
    </head><body>
    <input type="button" value="開始" onclick="hh=0;mm=0;ss=0;t=setTimeout('time()',1000);">
    <input type="button" value="繼續" onclick="t=setTimeout('time()',1000);">
    <input type="button" value="暫停" onclick="clearTime();">
    <p id=aa>00:00:00</p>
    </body></html>
      

  3.   

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <HTML>
    <HEAD>
    <TITLE> New Document </TITLE>
    <META NAME="Generator" CONTENT="EditPlus">
    <META NAME="Author" CONTENT="">
    <META NAME="Keywords" CONTENT="">
    <META NAME="Description" CONTENT="">
    </HEAD>
    <body>
    <script language="JavaScript">
    var isMonth = new
    Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");
    var isDay = new
    Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六","星期日");
    today = new Date () ;
    Year=today.getYear();
    Date=today.getDate();
    if (document.all)
    document.title="今天是: "+Year+"年"+isMonth[today.getMonth()]+Date+"日"+isDay[today.getDay()]
    </script>
    </BODY>
    </HTML>