JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.0.min.js"></script>
<script src="https://code.jquery.com/ui/1.10.3/jquery-ui.min.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.10.3/themes/redmond/jquery-ui.min.css">
<input type="text" class="datePicker" value="" />

JavaScript

var disabledDates = ["11-2-2016","19-2-2016","28-2-2016"];

function disableDate(date) {
  dmy = date.getDate() + "-" + (date.getMonth()+1) + "-" + date.getFullYear();
  if ($.inArray(dmy, disabledDates) < 0) {
    return [true,"",""];
  } else {
    return [false,"","This is disabled"];
  }
}

$('.datePicker').datepicker({ beforeShowDay: disableDate });