extjs 的一个小小问题
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<title>Insert title here</title>
<link rel="stylesheet" type="text/css" href="ext-2.3.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-2.3.0/adapter/ext/ext-
base.js"></script>
<script type="text/javascript" src="ext-2.3.0/ext-all.js"></script>
<script>
Ext.onReady(function(){
new Ext.Panel({
renderTo:"hello",
title:"hello",
width:300,
height:200,
html:'<h1>Hello,easyjf open source!</h1>',
tbar:[{pressed:true,text:'刷新'}]
});
});
</script>
</head>
<body>
</body>
</html>
这段代码用ie9打开 显示的是个空网页 难到有什么错误吗? 本人刚刚学习extjs 找了半天也找不出错误!