JSFiddle - React, Tailwind, and code Playground

by SchmalzyB

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css">
<div class="dropdown">
    <button class="btn btn-default mybutton" data-toggle="dropdown">Select Days
        <span class="caret"></span>
    </button>
    <ul class="dropdown-menu" role="menu">
        <li><a>Hello</a></li>
    </ul>
</div>
<br>
<br>
<br>
<br>
<div id="news"></div>

JavaScript

$("#news").text('Start...');

$(".dropdown").on('shown.bs.dropdown', function () {
    $("#news").text('Shown');
});

$(".dropdown").on('hidden.bs.dropdown', function () {
    $("#news").text('Hidden');
});