JSFiddle - React, Tailwind, and code Playground

by Mathias Bynens

HTML

<p>

CSS

p { font-size: 20em; }

JavaScript

var el = document.querySelector('p'),
    arr = '012356789'.split(''),
    i = 0;

setInterval((function lolwat() {
    el.innerHTML = arr[i++] || arr[i = 1, 0];
    return lolwat;
}()), 42);