JSFiddle - React, Tailwind, and code Playground

by Vladimir Kutepov

HTML

<h1>Hello World!</h1>

CSS

@keyframes fadeIn {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

h1 {
  opacity: 0;
  animation: fadeIn 2s 0.6s forwards;
}

JavaScript

setInterval(() => {
  document.body.appendChild(
    document.body.firstElementChild.cloneNode(true)
  )
}, 2000);