JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<script src="http://eternicode.github.io/bootstrap-datepicker/bootstrap-datepicker/js/bootstrap-datepicker.js"></script>
<script src="http://eternicode.github.io/bootstrap-datepicker/bootstrap-datepicker/js/locales/bootstrap-datepicker.nl.js"></script>

<input type="text" id="reservation_begin" name="reservation[begin]" required="required" class="form-control otherDates" />

JavaScript

$(document).ready(function ($) {     
    $('.otherDates').each(function () { $(this).datepicker({  multidate: true }); });
});