JSFiddle - React, Tailwind, and code Playground

HTML

<form class='myClass'>
<input id='txt01' type='text' class='myClass'/>
<select id='select01' class='myClass'>
    <option value='1' selected>1</option>
    <option value='2'>2</option>
</select>
</form>

JavaScript

$(document).ready(        
 function() {       
  $(".myClass").change(function () {      
   alert('bla');
  })        
});