表格行数不确定,如何为表格最后一行指定样式?
如题
------解决方案--------------------Easy    
 L@_@K   
   <body>  
    <table id= "tabTest ">  
      <tr>  
          <td> 1 </td>  
          <td> 2 </td>  
          <td> 3 </td>  
      </tr>  
      <tr>  
          <td> 4 </td>  
          <td> 5 </td>  
          <td> 6 </td>  
      </tr>  
      <tr>  
          <td> 7 </td>  
          <td> 8 </td>  
          <td> 9 </td>  
      </tr>  
    </table>  
    <script type= "text/javascript ">  
    <!-- 
 var oTest = document.getElementById( "tabTest "); 
 oTest.rows(oTest.rows.length-1).style.backgroundColor =  "blue "; 
   //-->  
    </script>  
   </body>