Timers can be useful, for example ensuring a slight (500ms) delay when a user expects an interaction to be non-instant (like saving or transmitting data). I wro

Timers can be useful, for example ensuring a slight (500ms) delay when a user expects an interaction to be non-instant (like saving or transmitting data). I wrote about this case here: https://medium.com/@graycoding/detect-slow-and-fast-asynchronous-operations-with-javascript-fb58b32006f6 https://medium.com/@graycoding/detect-slow-and-fast-asynchro...