JSFiddle - React, Tailwind, and code Playground

by Alee

HTML

<button id="btn-submit">
Boton
</button>

CSS

#btn-submit {
  transition: all 1.5s;
  padding: 15px;
  border-radius: 5px;
}

.active {
  background: blue;
  color: white;
}

JavaScript

var btnSubmit = document.getElementById('btn-submit')

btnSubmit.onclick = function() {
	alert('boton activo');
  btnSubmit.classList.toggle('active');
}