<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>呼呼</title> <script type="text/javascript" src="jquery-1.8.3.min.js"></script> <script> $(function () { $("tbody>tr:even").css("background-color","red"); // 这里就是隔行换色的地方 间隔一个tr换一种颜色 $("tbody>tr:odd").css("background-color","yellow"); // even和odd实现 }) </script> </head> <body> <table width="400" height="200" border="7" align="center"> <tr> <td>编号</td> <td>姓名</td> <td>年龄</td> </tr> <tr> <td>1</td> <td>张三</td> <td>22</td> </tr> <tr> <td>2</td> <td>李四</td> <td>25</td> </tr> <tr> <td>3</td> <td>王五</td> <td>27</td> </tr> <tr> <td>4</td> <td>赵六</td> <td>29</td> </tr> <tr> <td>5</td> <td>田七</td> <td>30</td> </tr> <tr> <td>6</td> <td>汾九</td> <td>20</td> </tr> </table> </body> </html>