JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<input id="my-button" type="button" value="Now shown">
<div id="my-div" class="collapse in">
Shown!
</div>

JavaScript

var show = true;

$('#my-button').click(
    function()
    {
        show = !show;
        $(this).prop('value', show ? 'Now shown' : 'Now hidden');
        $('#my-div').collapse(show ? 'show' : 'hide');
    });