JSFiddle - React, Tailwind, and code Playground

by DeadByElpy

CSS

html, body {
  width: 100%;
  text-align: center;
  padding: 0;
  margin: 0;
}

JavaScript

(function () {
document.body.innerHTML = '';
window.addEventListener('keydown', function (e) {
  document.body.innerHTML += JSON.stringify({which: e.which, keyCode: e.keyCode}) + '<br>';
});
})()