                        課程
                    
                        /前端開發(fā)
                        
                            /jQuery
                        
                        /jQuery基礎(chǔ)課程

請幫忙看看哪里錯了。。

<!DOCTYPE?html>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>
<title>練習(xí)題</title>
<script?src="http://libs.baidu.com/jquery/1.9.0/jquery.js"?type="text/javascript"></script>
</head>
<body>
???<table?id="list">
?????<caption>學(xué)生情況表</caption>
?????<thead>
?????????<tr>
?????????????<th>學(xué)生姓名</th>
?????????????<th>學(xué)生年齡</th>
?????????????<th>學(xué)生性別</th>
?????????????<th>學(xué)生班級</th>
?????????</tr>
?????</thead>
?????<tbody>
?????????<tr?align="center">
?????????????<td?colspan="4"><input?type="button"?value="點擊加載"?id="a"></td>
?????????</tr>
?????</tbody>???????
???</table>
????<script>
????
????????var?student?=?[
???????????{"name":"路易斯","age":"26"?,"class":"高三（12）班","sex":"男"},
???????????{"name":"法蘭克","age":"22"?,"class":"高二（11）班","sex":"男"},
???????????{"name":"張??三","age":"29"?,"class":"高三（15）班","sex":"女"},
???????????{"name":"李??四","age":"18"?,"class":"高三（08）班","sex":"男"},
???????????{"name":"約??翰","age":"21"?,"class":"高三（02）班","sex":"女"},
		???{"name":"王子李","age":"27"?,"class":"高三（05）班","sex":"男"},
		???{"name":"王二小","age":"26"?,"class":"高三（09）班","sex":"女"},
???????????];
????$(function?displayList(){
????????$("#a").bind("click",function(){
????????$("#list").find("tbody").empty();
????????$.each(student,function(index,student){
????????$("#list").find("tbody").append("<tr><td>"+student.name+"</td><td>"+student.age+"</td><td>+"student.sex+"</td><td>"+student.class+"</td></tr>");
????????});
????});
????})
????
????????
????</script>
????
</body>
</html>

函數(shù)沒有輸出，在DW編輯器里代碼提示錯誤在這一句：?$("#list").find("tbody").append("<tr><td>"+student.name+"</td><td>"+student.age+"</td><td>+"student.sex+"</td><td>"+student.class+"</td></tr>");

可是我怎么看也沒錯誤啊。。