Well said. We also experimented with non-DOM rendering, in particular with WebGL-sprites. We achieved very nice result running constantly at 60fps even on low-e

Well said. We also experimented with non-DOM rendering, in particular with WebGL-sprites. We achieved very nice result running constantly at 60fps even on low-end mobiles but it's nothing worth if one doesn't have all the DOM amenities you mentioned or a full integration with the browser environment.