1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>jQuery集合处理功能</title> 5 <script src="Jscript/jquery-1.8.2.min.js" 6 type="text/javascript"></script> 7 <style type="text/css"> 8 body{font-size:12px;text-align:center} 9 #tbStu{260px;border:solid 1px #666;background-color:#eee} 10 #tbStu tr{line-height:23px} 11 #tbStu tr th{background-color:#ccc;color:#fff} 12 </style> 13 <script type="text/javascript"> 14 $(function() { 15 $("tr:not(:first)").each(function(i) { 16 this.style.fontSize = ['13px', '14px', '15px'][i] 17 this.style.backgroundColor = ['#eee', '#fff'][i % 2] 18 }); 19 }); 20 </script> 21 </head> 22 <body> 23 <table id="tbStu" cellpadding="0" cellspacing="0"> 24 <tbody> 25 <tr> 26 <th>学号</th><th>姓名</th><th>性别</th><th>总分</th> 27 </tr> 28 <tr> 29 <td>1001</td><td>张小明</td><td>男</td><td>320</td> 30 </tr> 31 <tr> 32 <td>1002</td><td>李明琪</td><td>女</td><td>350</td> 33 </tr> 34 <tr> 35 <td>1003</td><td>刘博古</td><td>男</td><td>450</td> 36 </tr> 37 <tr> 38 <td>1004</td><td>陈小琴</td><td>女</td><td>530</td> 39 </tr> 40 </tbody> 41 </table> 42 </body> 43 </html>