JSFiddle - React, Tailwind, and code Playground

by Richard Hunter

HTML

<div class="foo"></div>
<div class="bar"></div>

CSS

svg {
  background: pink;
}
.foo {
  width: 5cm;
  height: 5cm;
  background: blue;
}
.bar {
  width: 189px;
  height: 189px;
  background: green;
}

JavaScript

const fooEl = document.querySelector('.foo');
console.log(fooEl.offsetWidth, fooEl.offsetHeight);