JSFiddle - React, Tailwind, and code Playground

by adeneo

HTML

<div id="txt">This changes color</div>

CSS

#txt {font-size: 23px}

JavaScript

var color = '#33cc33',
    elem  = document.getElementById('txt');

(function fn() {
    elem.style.color = color;
    setTimeout(function() {
        color = '#'+Math.floor(Math.random()*16777215).toString(16);
        fn();
    }, 500);
})();