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;

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 10 );
    camera.position.z = 3;

    scene = new THREE.Scene();

    var geometry = new THREE.IcosahedronBufferGeometry( 1, 0 );
    var material = new THREE.MeshBasicMaterial( { vertexColors: THREE.VertexColors } );
		
		// generate color attribute
		
		var color = new THREE.Color();
		var colors = [];
		var positionAttribute = geometry.attributes.position;
		
		for ( var i = 0; i < positionAttribute.count; i ++ ) {
		
			color.set( 0xffffff * Math.random() );
			colors.push( color.r, color.g, color.b ); // layout is [ r, g, b,  r, g, b,  ... ]
		
		}
		
		geometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );

    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 );
    renderer.render( scene, camera );

}