1、
<style type="text/css">
<!--
textarea { overflow: hidden; z-index: y; clip: rect( )}
-->
</style>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<textarea name="textfield" rows="3"></textarea>
</body>
</html>
2、<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
textarea { overflow: hidden; z-index: y; clip: rect( ); border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
-->
</style>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<textarea name="textfield" rows="3"></textarea>
</body>
</html>
3、<textarea style="overflow: hidden"></textarea>