JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://threejs.org/build/three.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.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 = 3;

    scene = new THREE.Scene();

    geometry = new THREE.PlaneBufferGeometry( 1, 1, 10, 10 );
		
		// modify geometry
		
		var positionAttribute = geometry.attributes.position;
		console.log( positionAttribute );
		
		for ( var i = 0; i < positionAttribute.count; i ++ ) {
		
			// access single vertex (x,y,z)
		
			var x = positionAttribute.getX( i );
			var y = positionAttribute.getY( i );
			var z = positionAttribute.getZ( i );
			
			// modify data (in this case just the z coordinate)
		
			z += Math.random() * 0.1;
			
			
			
			// write data back to attribute
			
			positionAttribute.setXYZ( i, x, y, z );
		
		}
		
		//
		
    material = new THREE.MeshNormalMaterial();

    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 );
		
		var controls = new THREE.OrbitControls( camera, renderer.domElement );

}

function animate() {

    requestAnimationFrame( animate );
		renderer.render( scene, camera );

}