JSFiddle - React, Tailwind, and code Playground
HTML
<select id="car">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="opel">Opel</option>
<option value="audi">Audi</option>
</select>
JavaScript
$(document).ready(function () {
$('select[id=car]').change(function () {
alert("change: " + $(this).val());
});
$("#car").trigger('change');
});