JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js"></script>

JavaScript

function randomDate(start, end) {
  var date = new Date(+start + Math.random() * (end - start));
  return date;
}
var date1 = new Date(2013,09,01);
var date2 = new Date(2013,09,20);
alert($.datepicker.formatDate("mm/dd/yy",randomDate(date1, date2)));