<table>
<tr>
<td colspan="2" class="hide-tr name-pnd">Имя</td>
</tr>
<tr>
<td colspan="2" class="hide-tr search-click">тест</td>
</tr>
<tr>
<td>Оператор ЭВМ</td>
<td></td>
</tr>
<tr>
<td>Оператор ЭВМ</td>
<td></td>
</tr>
<tr>
<td>Оператор ЭВМ</td>
<td></td>
</tr>
<tr>
<td colspan="2" class="hide-tr name-pnd">Имя 2</td>
</tr>
<tr>
<td colspan="2" class="hide-tr search-click">тест 2</td>
</tr>
<tr>
<td>Оператор ЭВМ</td>
<td></td>
</tr>
</table>
$('.search-click').on('click', function() {
let obj = $(this).parent().prev('tr').find('.name-pnd');
obj.css('background-color', 'red');
})
This Pen doesn't use any external CSS resources.