一个简单的数字时钟显示问题!!

<html>
<head>
<script language="javascript">function Times()
{
Time=new Date();
Hours=Time.getHours();
Minutes=Time.getMinutes();
Seconds=Time.getSeconds();
//document.write("当前时间为:"+"<br>");
if(Hours>12)
{
Hours=Hours-12;
if(Hours==0)
Hours=12;
if(Minutes<10)
Minutes="0"+Minutes;
if(Seconds<10)
Seconds="0"+Seconds;
alert(Hours+":"+Minutes+":"+Seconds+" "+"pm");
}
else
{
if(Minutes<10)
Minutes="0"+Minutes;
if(Seconds<10)
Seconds="0"+Seconds;
alert(Hours+":"+Minutes+":"+Seconds+" "+"am");
}
setTimeout("Times()",500);
}
Times();</script>
</head>
<body></body>
</HTML>

解决方案 »

  1.   

    <html>
    <head>
    </head>
    <body>
    <span id=a></span>
    <script language="javascript">
    function Times()
    { var Time=new Date();
    Hours=Time.getHours();
    Minutes=Time.getMinutes();
            Seconds=Time.getSeconds();
    temp_str="当前时间为:"+"<br>";
    //document.write("当前时间为:"+"<br>");
    if(Hours>12)
    {
    Hours=Hours-12;
    if(Hours==0)
    Hours=12;
    if(Minutes<10)
    Minutes="0"+Minutes;
    if(Seconds<10)
    Seconds="0"+Seconds;
    a.innerHTML=temp_str+Hours+":"+Minutes+":"+Seconds+" "+"pm";
    //alert("t");
    //document.write(Hours+":"+Minutes+":"+Seconds+" "+"pm");
    }
    else
    {
    if(Minutes<10)
    Minutes="0"+Minutes;
    if(Seconds<10)
    Seconds="0"+Seconds;
    a.innerHTML=temp_str+Hours+":"+Minutes+":"+Seconds+" "+"am";
    //alert("t");
    //document.write(Hours+":"+Minutes+":"+Seconds+" "+"am");
    }
    setTimeout('Times()',1000);
    }
    Times();
    </script>
    </body>
    </HTML>