JSFiddle - React, Tailwind, and code Playground

HTML

<select id="select_administrator" name="select_administrator">
    <option value="NO">NO</option>
        <option value="YES">YES</option>
</select>

JavaScript

$(document).ready(function() {
    var admin = "YES";
    //Should select admin combo here
    $('#select_administrator option[value="'+admin+'"]').attr('selected', 'selected');
    //$('#select_administrator option:eq('+response.user_data['admin']+')').attr('selected', 'selected');
    //$('#select_administrator option:eq('+response.user_data['admin']+')').prop('selected', true);    
});