Update '12/torusKnot.js'

12/torusKnot.js

@@ -3,7 +3,7 @@ var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeig
 var canvas = document.getElementById('torusKnot');
 var renderer = new THREE.WebGLRenderer();
 renderer.setSize( window.innerWidth/2, window.innerHeight/2 );
-document.body.appendChild( renderer.domElement );
+document.body.appendChild(canvas);
 
 var geometry = new THREE.TorusKnotGeometry( 10, 3, 100, 16 );
 var material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );