<html>
<head> <meta http-equiv="Content-Type" content="text/html;charset=gb2312" />
<title> paoma </title>
<script language="JavaScript">
var id,pause=0,position=0;
function banner()
{
var i,k;
var m1="你好我是忧忧KU,很高兴认识你";
var m2="这是我的第一个网页";
var msg=m1+m2;
var speed=10;
// document.isnform.banner.value=msg.substring(position,position+160);
document.getElementById("banner").value=msg.substring(position,position+160);
if(potsition++==msg.length){
id=setTimeout("banner()",2000/speed);
}
}
</script>
</head>
<body onLoad="banner()">
<form method="POST" name="isform">
<input type="text " size="48" maxlength="256" name="banner">
</form>
</body>
</html>
<head> <meta http-equiv="Content-Type" content="text/html;charset=gb2312" />
<title> paoma </title>
<script language="JavaScript">
var id,pause=0,position=0;
function banner()
{
var i,k;
var m1="你好我是忧忧KU,很高兴认识你";
var m2="这是我的第一个网页";
var msg=m1+m2;
var speed=10;
// document.isnform.banner.value=msg.substring(position,position+160);
document.getElementById("banner").value=msg.substring(position,position+160);
if(potsition++==msg.length){
id=setTimeout("banner()",2000/speed);
}
}
</script>
</head>
<body onLoad="banner()">
<form method="POST" name="isform">
<input type="text " size="48" maxlength="256" name="banner">
</form>
</body>
</html>
<html>
<head> <meta http-equiv="Content-Type" content="text/html;charset=gb2312" />
<title> paoma </title>
<script language="JavaScript">
var id,pause=0,position=0;
function banner() {
var i,k;
var m1="你好我是忧忧KU,很高兴认识你";
var m2="这是我的第一个网页";
var msg=m1+m2;
var speed=10; document.getElementById("banner").value=msg.substring(position,position+160);
if(potsition++==msg.length){
id=setTimeout("banner()",2000/speed);
}
}
</script>
</head>
<body onLoad="banner()">
<form method="POST" name="isform">
<input type="text " size="48" maxlength="256" name="banner" id="banner">
</form>
</body>
</html>
document.isnform.banner.vaule=msg.substring(position,position+160);
应该是 document.isform.banner.vaule=msg.substring(position,position+160); 当然,1楼的方法也是对的。TO:3楼,text没有ID属性,用getElementById()是可以取到name属性的值的!