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: 'yy-dd-mm',
        onSelect: function(datetext){
            var d = new Date(); // for now
            var h = d.getHours();
        		h = (h < 10) ? ("0" + h) : h ;

        		var m = d.getMinutes();
            m = (m < 10) ? ("0" + m) : m ;

            var s = d.getSeconds();
            s = (s < 10) ? ("0" + s) : s ;

        		datetext = datetext + " " + h + ":" + m + ":" + s;
            $('#datepicker').val(datetext);
        },
    });
});