JSFiddle - React, Tailwind, and code Playground

by danbeam

HTML

<div class="dead">Hey!</div>

CSS

div {
  background; red;
  position: fixed;
  -webkit-transition: top 5s linear;
}
div.dead {
  top: 500px;
}
div.jesus {
  top: 0;
}

JavaScript

var div = document.querySelector('.dead');

setInterval(function() {
  console.log(window.getComputedStyle(div, null)['top']);
}, 200);

setTimeout(function() {
  div.className += ' jesus';
}, 1000);