JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
<div>
<button class='btn btn-success' id='my-btn'>
Open
</button>
</div>

JavaScript

$('#my-btn').click(function(){
  $(this).removeClass('btn-success');
  $(this).addClass('btn-danger');
  $(this).html('Close');
});

$('.btn-danger').click(function(){
	alert('hello world');
  $(this).removeClass('btn-danger');
  $(this).addClass('btn-success');
  $(this).html('Open');
});