Question

HTML:

<table id="mytable">    
<tr>
<td class="cssred"><span name='478'>john</span></td>
</tr>
<tr>
<td class="cssred"><span name='478'></span></td>
</tr>
<tr>
<td class="cssred"><span name='478'></span></td>
</tr>
 <tr>
<td class="cssred"><span name='521'></span></td>
</tr>
<tr>
<td class="cssred"><span name='522'></span></td>
</tr>
</table>

JavaScript:

$(this).find('span').attr('name');

i have to traverse through whole table and check any span tag atrribute name value be 478 then make its parent cell class cssgreen.

Answer 1

$("#mytable td:has(span[name='478'])").toggleClass("cssred cssgreen");

or

$("#mytable span[name='478']").parent().toggleClass("cssred cssgreen");

DEMO: http://jsfiddle.net/E55jb/