JSFiddle - React, Tailwind, and code Playground

by Karl Hui

HTML

<h1>This is a simple header</h1>

CSS

h1 {
    font-size:15px;
    color:#f0f;
    text-decoration:underline;
    -webkit-transition-duration:0.2s;
}

JavaScript

var i = 2000;
var test = Math.log(i);
document.querySelector("h1").textContent = "The base 10 logarithm of " + i + " is " + test + "." ;