JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<button id="myLink" class="btn btn-default btn-xs">Allow</button>

JavaScript

$(document).ready(function() {
    
        $('#myLink').on('click', function() {
            console.log('click');
            $(this).addClass('btn-success');
                $(this).removeClass('btn-default');
        });
});