JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/smoothness/jquery-ui.css">
<input type="text" id="datepicker"/>

JavaScript

$('#datepicker').datepicker({
//    dayNamesShort: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
    dateFormat: 'D, dd/mm/yy'
});

var minDays = $('#datepicker').datepicker('option', 'dayNamesMin');
$('#datepicker').datepicker('option', 'dayNameShort', minDays);
$('#ui-datepicker-div').hide();