1、在用Dojo写tab页的过程中出现了一些错误
dojo源码如下：
<%--
Document : grid
Created on : 2013-12-15, 18:05:47
Author : YouHaidong
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>dojo实现Tab页</title>
<link id="themeStyles" rel="stylesheet" href="../../script/dojoroot/dijit/themes/claro/claro.css"/>
<!-- required: dojo.js -->
<script type="text/javascript" src="../script/dojoroot/dojo/dojo.js"
data-dojo-config="isDebug: true, parseOnLoad: true"></script>
<!-- only needed for alternate theme testing: do NOT use in your code! -->
<script type="text/javascript" src="../_testCommon.js"></script>
<script type="text/javascript">
dojo.require("dijit.dijit"); // optimize: load dijit layer
dojo.require("dijit.layout.ContentPane");
dojo.require("dijit.layout.TabContainer");
</script>
</head>
<body class="claro">
<div id="mainTabContainer" data-dojo-type="dijit/layout/TabContainer" data-dojo-props='style:" 400px;height: 20em;"'>
<div id="tab1" data-dojo-type="dijit/layout/ContentPane" data-dojo-props='title:"学生"'>
学生
</div>
<div id="tab2" data-dojo-type="dijit/layout/ContentPane" data-dojo-props='title:"教师"'>
教师
</div>
<div id="tab3" data-dojo-type="dijit/layout/ContentPane" data-dojo-props='title:"课程"'>
课程
</div>
</div>
</body>
</html>
2、启动服务器，页面显示如下
3、火狐浏览器FireBug调试“控制台->错误”出现错误
4、网络中的所有出现以下红色的标记
