本文共 1241 字，大约阅读时间需要 4 分钟。

   
   
    
   
    
    
   
    
    
<html>
    
   
    
    
<head>
    
   
    
    
 
    
   
    
    
<title>计时器</title>
    
   
    
    
<script language="javascript">alert("ok");
    
   
    
    
function disptime(){
    
   
    
    
    var time=new Date();
    
   
    
    
    var hour=time.getHours();
    
   
    
    
    var minute=time.getMinutes();
    
   
    
    
    var second=time.getSeconds();
    
   
    
    
    var apm="AM";
    
   
    
    
    if(hour>12){
    
   
    
    
        hour=hour-12;apm="PM"
    
   
    
    
    }
    
   
    
    
    if(minute<10){
    
   
    
    
        minute="0"+minute;
    
   
    
    
    }
    
   
    
    
    if(second<10){
    
   
    
    
        second="0"+second;
    
   
    
    
    }
    
   
    
    
    document.myform.myclock.value=hour+":"+minute+":"+second+""+apm;
    
   
    
    
    var myTime=setTimeout("disptime()",1000);
    
   
    
    
    
</script>
    
   
    
    
<STYLE type="text/css">
    
   
    
    
input { font-size: 100px; color: #CC0000; border-style:none }
    
   
    
    
</style>
    
   
    
    
    
<body onLoad="disptime()">
    
   
    
    
<center><form name="myform">
    
   
    
    
<input  name="myclock" type="text" value="" />
    
   
    
    
</form>
    
   
    
    
</center>
    
   
    
    
</body>
    
   
    
    
</html>
    
   
   
   

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