JSFiddle - React, Tailwind, and code Playground

by basarat

HTML

<div>
  <iframe width="420" height="315" src="https://www.youtube.com/embed/dQw4w9WgXcQ" frameborder="0" allowfullscreen></iframe>
</div>

JavaScript

document.addEventListener("DOMContentLoaded", function(event) {
    alert('hey')
});