JSFiddle - React, Tailwind, and code Playground

HTML

<select id="PracticeGroupID" name="GroupID">
    <option value="5">Test Group 1</option>
    <option value="6">Test Group 2</option>
</select>

<input type="text" id="updateMe" value="" />

JavaScript

$('#PracticeGroupID').change(function() {
    $('#updateMe').val('PracticeGroupID is ' + $(this).val());    
}).change();