日期:2014-05-16 浏览次数:20439 次
<table> <tr align="center"> <td bgcolor="#00FFFF"><a href="javascript:">网页</a></td> <td><a href="javascript:">音乐</a></td> </tr> <tr> <td colspan="2"> <form action="http://www.baidu.com/s" target="_blank"> <input name="word" type="text" value="" /> <input type="submit" value="百度一下" /> </form></td> </tr> </table>
<table> <tr align="center"> <td><a href="javascript:">网页</a></td> <td bgcolor="#00FFFF"><a href="javascript:">音乐</a></td> </tr> <tr> <td colspan="2"> <form action="http://mp3.baidu.com/m" target="_blank"> <input name="word" type="text" value=""> <input type="submit" value="百度一下"> </form></td> </tr> </table>
<!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>Untitled Document</title> <script type="text/javascript"> window.onload = function() { var tr1 = document.getElementsByTagName('table')[0].getElementsByTagName('tr')[0]; var f = document.getElementsByTagName('table')[0].getElementsByTagName('form')[0]; tr1.getElementsByTagName('td')[0].onclick = function() { this.style.backgroundColor = '#0FF'; tr1.getElementsByTagName('td')[1].style.backgroundColor = '#FFF'; f.action = 'http://www.baidu.com/s'; } tr1.getElementsByTagName('td')[1].onclick = function() { this.style.backgroundColor = '#0FF'; tr1.getElementsByTagName('td')[0].style.backgroundColor = '#FFF'; f.action = 'http://mp3.baidu.com/m'; } } </script> </head> <body> <table> <tr align="center"> <td style="background-color:#0FF"><a href="javascript:">网页</a></td> <td><a href="javascript:">音乐</a></td> </tr> <tr> <td colspan="2"> <form action="http://www.baidu.com/s" target="_blank"> <input name="word" type="text" value="" /> <input type="submit" value="百度一下" /> </form></td> </tr> </table> </body> </html>
------解决方案--------------------
<script> function doit(n){ var tbl = document.body.getElementsByTagName("table")[0]; for(var i=0;i<tbl.rows[0].cells.length;i++) tbl.rows[0].cells[i].style.background = "#FFF"; switch(n){ case 0: tbl.rows[0].cells[0].style.background = "#0FF"; document.forms[0].action = "http://www.baidu.com/s"; break; case 1: tbl.rows[0].cells[1].style.