日期:2014-05-16 浏览次数:20320 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <script type="text/javascript"> window.onload = function() { var obj = document.getElementById('demo').getElementsByTagName('tr'); for (var i = 0; i < obj.length; i ++) { obj[i].onmouseover = function() { this.style.backgroundColor = 'red'; } obj[i].onmouseout = function() { this.style.backgroundColor = ''; } } } </script> </head> <body> <table width="500" border="1" id="demo"> <tr> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> </table> </body> </html>
------解决方案--------------------
<table width="500" border="1" id="demo" cellpadding="0" cellspacing="0"> <tr onmousemove="this.style.backgroundColor='red'" onmouseover="this.style.backgroundColor='red'" onmouseout="this.style.backgroundColor='#fff';"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr></table>