Please note they say "debounce" your scroll handlers but they demonstrate a requestAnimationFrame based solution. Do not confuse this with _.debounce(). In th

Please note they say "debounce" your scroll handlers but they demonstrate a requestAnimationFrame based solution. Do not confuse this with _.debounce(). In the context lodash/underscore I believe the correct approach is _.throttle the 'scroll', and _.debounce the 'resize' handlers.