JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.4.0/js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.4.0/css/bootstrap-datepicker3.css">
<div class="input-daterange input-group" id="datepicker">
  <input type="text" class="input-sm form-control" name="start" />
  <span class="input-group-addon">to</span>
  <input type="text" class="input-sm form-control" name="end" />
</div>

JavaScript

$('.input-daterange').datepicker({
  daysOfWeekDisabled: "0,6",
  datesDisabled: ['01/06/2016', '01/21/2016']
});