JSFiddle - React, Tailwind, and code Playground
HTML
<input type="checkbox">Hello
<select name="division-select" id="division-select">
<option value="">Select an option</option>
<option value="black;SL">Black</option>
<option value="pink;SL">Pink</option>
<option value="red;NO">Red</option>
<option value="yellow;NO">Yellow</option>
<option value="blue;SL">Blue</option>
</select>
JavaScript
$('input').on('change',function(){
if($(this).prop('checked'))
alert('checked');
$("#division-select option[value='black;SL']").hide();
else
alert('unchecked');
});