JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/themes/ui-lightness/jquery-ui.css">
<input type='text'/>

JavaScript

$('input').datepicker()
    .change(function() {
        var today = new Date().getDate();
        var val = new Date(this.value).getDate();
        if(today === val)
            this.value = "Today";
});