Get Class of TD
HTML
<div class="test">Clicking This Hides First Item</div>
<br><br>
<div class="poo">Clicking This Hides All Other Items</div>
<br><br>
<div class="testQuestion">This should hide</div>
<br><br>
<div class="testBiddyBiddyBum">This should hide</div>
JavaScript
$('.test').click(function() {
var myClass = $(this).attr('class');
$("."+myClass+"Question").hide();
})
$('.poo').click(function() {
$( "div[class*='test']" ).hide();
})