JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdn.rawgit.com/mrdoob/three.js/master/build/three.min.js"></script>
<div id="test">Switch Material Visibility</div>

CSS

body {
	  margin: 0;
}

#test {
  padding: 1em;
  text-align: center;
  position: absolute;
  background-color: #fff;
}

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();

    geometry = new THREE.BoxGeometry( 0.2, 0.2, 0.2 );
    // material = new THREE.MeshNormalMaterial( { transparent: true, opacity: 0.5, visible: false } );
		material = new THREE.SpriteMaterial( { transparent: true, opacity: 0.5, visible: true } );
    
    // mesh = new THREE.Mesh( geometry, material );
    mesh = new THREE.Sprite( 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 );

}

document.getElementById( 'test' ).addEventListener( 'click', function() {
	material.visible = !material.visible;
  console.log('Material visible changed !');
} );