JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css">
<script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script>
<input type="text" id="datepicker"/>

JavaScript

$(function() {
	$('#datepicker').datepicker({
        dateFormat: 'mm/dd/yy',
        
        onSelect: function(datetext){
            var d = new Date(); // for now
            datetext=datetext+" "+d.getHours()+": "+d.getMinutes()+": "+d.getSeconds();
            $('#datepicker').val(datetext);
        },
    });
});