JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r70/three.min.js"></script>

CSS

body {
				margin: 0;
			}
			canvas {
				display: block;
				width: 100% !important;
				height: 100% !important;
			}

JavaScript

var resolutionDivisor = 2;

var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
var renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
console.log(resolutionDivisor)
document.body.appendChild(renderer.domElement);
console.log(window.innerWidth / resolutionDivisor, window.innerHeight / resolutionDivisor)
console.log('THREE',THREE)
var geometry = new THREE.BoxGeometry( 1, 1, 1 );
var material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
var cube = new THREE.Mesh( geometry, material );
scene.add( cube );

camera.position.z = 5;

var render = function () {
	requestAnimationFrame( render );

	cube.rotation.x += 0.01;
	cube.rotation.y += 0.01;

	renderer.render(scene, camera);
};

render();