
    <script> 

    function del(a){

            alert(a);

            alert($("#"+a).html());

            alert($("#td").html());

                alert($("#div").html());

    }

    </script> 

    <td id="td">wtf</td> 

    <div id="div">wtf</div> 

    <table> 

       <tr>

           <td id="bbbbb">test</td><td><span onclick="del('bbbbb');">click</span></td>

       </tr>

    </table>