JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.6.1/css/bootstrap-datepicker.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.6.1/js/bootstrap-datepicker.js"></script>
<input id="datepicker">

JavaScript

$("#datepicker").datepicker({
    endDate : new Date('2016-05-20'),
});