Untitled

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>My first three.js app</title>
        <style>
            body { margin: 0; }
            canvas { display: block; }
        </style>
    </head>
    <body>
        <script src="js/three.js"></script>
        <script>
            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 );
                document.body.appendChild( renderer.domElement );
            var geometry = new THREE.BoxGeometry();
            var material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
            var cube = new THREE.Mesh( geometry, material );
            scene.add( cube );

            camera.position.z = 5;
            function animate() {
            requestAnimationFrame( animate );
            renderer.render( scene, camera );
            }
            animate();
        </script>
    </body>
</html>