JSFiddle - React, Tailwind, and code Playground

by timkl

HTML

<div></div>

CSS

div {width: 200px; height: 400px; border: 1px solid gray}

    .someClass1 {background: red;}.someClass1 {background: green;}.someClass1 {background: orange;}

JavaScript

var randNumber = math.Floor(math.Random * 3);

var someClass = "someClass" + randNumber;

$("div").addClass(someClass);