JSFiddle - React, Tailwind, and code Playground
HTML
<select>
<option>d</option>
<option>de</option>
<option>dewe</option>
<option>dewee</option>
</select>
JavaScript
(function($) {
//This is the important part
//Here, we bind to the change event and alert the value
$('select').change( function(e) {
alert($(this).val());
});
})(jQuery)