请大侠帮忙看看哪里出问题？老是报错：”缺少对象“

alan_1 2009-09-19 07:02:47

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<script language="javascript">

function disptime(){
var now=new Date();
var hour=now.getHours();
var minute=now.getMinutes();
var second=now.getSeconds();
document.write("<h2>当前时间："+hour+":"+minute+":"+second);
var time=setTimeout("disptime()",1000);
}

</script>
</head>
<body onload="disptime()">
<form id="form1" runat="server">
<div>

</div>
</form>
</body>
</html>

...全文

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切换为时间正序

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浴火_凤凰 2009-09-20

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清除setTimeout定时器

alan_1 2009-09-19

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[Quote=引用 3 楼 chen_ya_ping 的回复:]
JScript code
window.onload=function() {
window.setInterval("disptime()",1000)
}function disptime() {var now=new Date();var hour= now.getHours();var minute= now.getMinutes();var second= now.getSeconds();
document.write(" <h2>当前时间："+ hour+":"+ minute+":"+ second);

}
还有你的document.write只能写入一次，换成div来显示时间
[/Quote]
window.onload=function() {
window.setInterval("disptime()",1000)
}：这个不会；

hookee 2009-09-19

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清除setTimeout定时器

chen_ya_ping 2009-09-19

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  window.onload = function() { 

           window.setInterval("disptime()",1000)

        }

          function disptime() {

              var now = new Date();

              var hour = now.getHours();

              var minute = now.getMinutes();

              var second = now.getSeconds();

              document.write(" <h2>当前时间：" + hour + ":" + minute + ":" + second);

             

          }

还有你的document.write只能写入一次，换成div来显示时间

alan_1 2009-09-19

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谢了！clearTimeout(time);这是干吗的？

hookee 2009-09-19

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<html xmlns="http://www.w3.org/1999/xhtml"> 

<head runat="server"> 

    <title>Untitled Page </title> 

    <script language="javascript"> 

    var time;

    function disptime(){ 

        var now=new Date(); 

        var hour=now.getHours(); 

        var minute=now.getMinutes(); 

        var second=now.getSeconds(); 

        document.getElementById("pad").innerHTML = "当前时间："+hour+":"+minute+":"+second; 

		clearTimeout(time);

        time=setTimeout("disptime()",1000); 

    } 

    

    </script> 

</head> 

<body onload="disptime()"> 

    <form id="form1" runat="server"> 

    <div id="pad"> 

    

    </div> 

    </form> 

</body> 

</html>