JSFiddle - React, Tailwind, and code Playground
HTML
<input type="checkbox" class="one required" name="option" value="one">One<br>
<table width="600px" class='one' style="display:none;">
<tr>
<td><input type="checkbox" name="contract_type[]" id="Permanent" value = "Permanent" /><label for="Permanent">Permanent</label></td>
<td><input type="checkbox" name="contract_type[]" id="Placement" value = "Placement Student" /><label for="Placement">Placement Student</label></td>
<td><input type="checkbox" name="contract_type[]" id="Seasonal" value = "Seasonal" /><label for="Seasonal">Part Time</label></td>
<td><input type="checkbox" name="contract_type[]" id="Seasonal" value = "Seasonal" /><label for="Seasonal">Full Time</label></td>
</tr>
<tr>
<td><input type="checkbox" name="contract_type[]" id="TempPerm" value = "Temp to Perm" /><label for="TempPerm">Temp to Perm</label></td>
<td><input type="checkbox" name="contract_type[]" id="Seasonal" value = "Seasonal" /><label for="Seasonal">Seasonal</label></td>
<td><input type="checkbox" name="contract_type[]" id="Temp" value = "Temporary/Contract/Project" /><label for="Temp">Temporary/Contract/Project</label></td>
<td></td>
</tr>
</table>
JavaScript
$('input[class="one"]').click(function(){
$('li.'+$(this).attr('class')).toggle();
$('table.'+$(this).attr('class')).toggle();
});