<link rel="stylesheet" href="//code.jquery.com/ui/1.11.2/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
  <script src="//code.jquery.com/ui/1.11.2/jquery-ui.js"></script>


<script>
  $(function() {
    $( "#datepicker" ).datepicker();
  });
  </script>
  <p>Date: <input type="text" id="datepicker"></p>