JSFiddle - React, Tailwind, and code Playground

HTML

<select multiple="multiple">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
      <option value="4">4</option>
      <option value="5">5</option>
    </select>

JavaScript

$('select').on('change', function() {
   alert('Changed!'); 
});