JSFiddle - React, Tailwind, and code Playground

HTML

<div>
            <img id="image" src="html.png" alt="HTML">
        </div>

JavaScript

var i = 1;

            function loop() {
                i = i+1;
                alert(i);
                    if(i == 3){
                        i = 1;
                    }
                if (i == 1) {
                    document.getElementById('image').src = "html.png";
                } else {
                    document.getElementById('image').src = "css3.png";
                }
            }
               setInterval(loop, 5000);