JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>1 Lorem ipsum dolor sit amet, consectetur adipiscing elit.</li>
    <li>2 Lorem ipsum dolor sit amet, consectetur adipiscing elit.</li>
    <li>3 Lorem ipsum dolor sit amet, consectetur adipiscing elit.</li>
    <li>4 Lorem ipsum dolor sit amet, consectetur adipiscing elit.</li>
</ul>

JavaScript

function test() {
    var a= $("ul li:first");
        (a).each(function(i) {
            $(this).slideUp('slow',function () {
                $("ul li:last").after($(this));
            }).slideDown('slow');
        });
}
window.setInterval(test, 5000);