JSFiddle - React, Tailwind, and code Playground
HTML
<html>
<body>
Your date formated: <span id="date1"></span><br/>
</body>
</html>
JavaScript
var myDate = '30.11.2011';
$('#date1').text($.datepicker.formatDate('M d, yy',
$.datepicker.parseDate('dd.mm.yy', myDate))
).toString();