jQuery UI date picker

HTML

<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.0/themes/smoothness/jquery-ui.css">
<script src="https://code.jquery.com/ui/1.12.0/jquery-ui.min.js"></script>
<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<div id="enquiry"></div>

JavaScript

$("#enquiry").datepicker({
        //defaultDate: "+0d",        
        numberOfMonths: [2,1]
        
    });