JSFiddle - React, Tailwind, and code Playground

HTML

<button id="add">Add</button>
        <ul id="myList">
            <li class="myElement">hello</li>
            <li class="myElement">hello</li>
        </ul>
        <ul id="myNewList">
        </ul>

JavaScript

(function ($) {
                $.fn.makeBlue = function () {
                    return this.each(function () {
                        $(this).css('color', 'blue');
                    });
                };
            })(jQuery);

            $(function () {
                $('.myElement').makeBlue();
                $('#add').click(function () {
                    $('#myNewList').html('<li class="myElement">hello</li>')
                });
            });