<tr>
<td>data1</td>
<td name="tcol1" class="bold"> data2 </td>
</tr>
<script>
$('td[name="tcol1"]') // Matches exactly 'tcol1'
$('td[name^="tcol"]' ) // Matches those that begin with 'tcol'
$('td[name$="tcol"]' ) // Matches those that end with 'tcol'
$('td[name*="tcol"]' ) // Matches those that contain 'tcol'
</script>