JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdn.rawgit.com/mrdoob/three.js/master/build/three.min.js"></script>

CSS

body {
	  margin: 0;
}

JavaScript

var camera, scene, renderer;
var geometry, material, mesh;

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 10 );
    camera.position.z = 1;

    scene = new THREE.Scene();
    
    var ambientLight = new THREE.AmbientLight( 0xcccccc, 0.4 );
    scene.add( ambientLight );

    var pointLight = new THREE.PointLight( 0xffffff, 0.8 );
    camera.add( pointLight );
    scene.add( camera );
    
    pointLight.visible = true;

    var geometry = new THREE.BoxGeometry( 0.2, 0.2, 0.2 );
    var material = new THREE.MeshStandardMaterial( { color: 0x00ff00 } );

    mesh = new THREE.Mesh( geometry, material );
    scene.add( mesh );

    renderer = new THREE.WebGLRenderer( { antialias: true } );
    renderer.setSize( window.innerWidth, window.innerHeight );
    document.body.appendChild( renderer.domElement );

}

function animate() {

    requestAnimationFrame( animate );

    mesh.rotation.x += 0.01;
    mesh.rotation.y += 0.02;

    renderer.render( scene, camera );

}