JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="https://code.jquery.com/ui/1.9.2/jquery-ui.min.js"></script>
<div id="abc" date:buttonText="alert('XSS')">
        <input name="datepicker" id="datepicker" type="text"/>
    </div>

JavaScript

$(document).ready(function () {
            $.datepicker.setDefaults({
                buttonText: 'abcde'
            });
            $.datepicker._attachDatepicker(document.getElementById("abc"));
            $('#datepicker').datepicker();
        });