JSFiddle - React, Tailwind, and code Playground

HTML

<div id="im1" style="background-color: #aaa;"></div>
<div id="im2" style="background-color: red;"></div>
<div id="im3" style="background-color: green;"></div>
<div id="im4" style="background-color: blue;"></div>

CSS

div{
    width: 70px;
    height: 70px;
    margin-top: 10px;
    display: none;
}

JavaScript

(function f() {
    f.idx = (f.idx || 0) % 4 + 1;
    $('#im' + f.idx).fadeIn(1000).fadeOut(700,f);
})();