JSFiddle - React, Tailwind, and code Playground

by Aminul Islam

HTML

<select name="region_id" id="region_id">
    <option>Select</option>
    <option value="1">Alaska</option>
    <option value="2">Arizona</option>
  </select>

JavaScript

$(document).ready(function(){
$('#region_id').on('change', function() {
     alert('Test alert');
  });
});
$(document).ready(function(){
$('#region_id').trigger('change'); 
});