JSFiddle - React, Tailwind, and code Playground

by luwes

HTML

<div class="rect"></div>

CSS

.rect {
  width: 1000px;
  height: 1000px;
  background-color: #f00;
}

JavaScript

var time = Date.now();
document.querySelector('.rect').onmousemove = function() {

	console.log(Date.now() - time);
  time = Date.now();
}