JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.20/jquery-ui.js"></script>

JavaScript

var d = "12/12/12";
var parsed = $.datepicker.parseDate("mm/dd/yy", d);
console.log($.datepicker.formatDate("mm/dd/yy", parsed));