cleanup

threejs/lessons/threejs-align-html-elements-to-3d.md

@@ -472,7 +472,7 @@ Lastly we need to call `updateLabels` in our render loop
 
 ```js
 function render() {
-  renderRequested = undefined;
+  renderRequested = false;
 
   if (resizeRendererToDisplaySize(renderer)) {
     const canvas = renderer.domElement;

threejs/lessons/threejs-optimize-lots-of-objects-animated.md

@@ -487,7 +487,7 @@ if there are still animations running.
 
 ```js
 function render() {
-  renderRequested = undefined;
+  renderRequested = false;
 
   if (resizeRendererToDisplaySize(renderer)) {
     const canvas = renderer.domElement;