显示隐藏菜单

来源:互联网 发布:it distributor 编辑:程序博客网 时间:2024/04/30 00:37

<!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=gb2312" /><title>无标题文档</title><script language="javascript">function showInfo(str){//先隐藏所有for(var i = 1; i <= 3; i++){document.getElementById("tr"+i).style.display="none";}//显示指定对象document.getElementById(str).style.display="block";}</script></head><body><table width="166" border="1">  <tr>    <td height="22" style="cursor:pointer;" onclick="showInfo('tr1')">ExtJs教程</td>
  </tr>  <tr id="tr1">    <td height="65" valign="top"><table width="100%" border="0">      <tr>        <td>第一讲</td>      </tr>      <tr>        <td>第二讲</td>
      </tr>      <tr>        <td>第三讲</td>      </tr>    </table></td>  </tr>  <tr>    <td height="22" style="cursor:pointer;" onclick="showInfo('tr2')">css教程</td>
  </tr>  <tr id="tr2" style="display:none;">    <td height="65" valign="top"><table width="100%" border="0">      <tr>        <td>第一讲</td>      </tr>      <tr>        <td>第二讲</td>
      </tr>      <tr>        <td>第三讲</td>      </tr>    </table></td>  </tr>  <tr>    <td height="23" style="cursor:pointer;" onclick="showInfo('tr3')">JavaEE教程</td>
  </tr>  <tr id="tr3" style="display:none;">    <td height="65" valign="top"><table width="100%" border="0">      <tr>        <td>第一讲</td>      </tr>      <tr>        <td>第二讲</td>
      </tr>      <tr>        <td>第三讲</td>      </tr>    </table></td>  </tr></table></body></html>

原创粉丝点击