JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/1.4.0/bootstrap.min.css">
<script src="http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.0.1/bootstrap.min.js"></script>
<button class="btn" id="button" data-text-loading="Loading...">Press Me</button>

JavaScript

$('#button').button();

$('#button').click(function() {
    $(this).button('loading');
});