JSFiddle - React, Tailwind, and code Playground

HTML

<span class=""> <input type="radio" name="CUSEMP" checked="" onchange="" id="RaidoCus"> CUSTOMER</span> 
<span class=""><input type="radio" id="RaidoEmp" onchange="" name="CUSEMP"> OFFICER</span>


<select onchange="CustomerChange()" id="sup" class="form-control select2 input-sm" >
<option value="Null">Select Customer</option>
</select>

<select id="Emp" class="form-control select2 input-sm" style="width:100%; display:none;">
<option value="Null">Select Employee</option>

JavaScript

$('#RaidoEmp').on('click change', function(e) {
    $('#sup').hide();
    $('#Emp').show();
});

$('#RaidoCus').on('click change', function(e) {
    $('#Emp').hide();
    $('#sup').show();
});