JSFiddle - React, Tailwind, and code Playground

HTML

<h1>XSS</h1>

JavaScript

var test2 = JSON.parse(window.atob('PC9zY3JpcHQ+PHNjcmlwdD5hbGVydCgndGVzdDInKTwvc2NyaXB0PjxzY3JpcHQ+'));