Demo 1 - Parallel Promises
Click the button below to start 3 un-related promises which will run in parallel.
Demo 2 — Serial Promsies
Click the button below to start 3 chained promises which run in series.
Demo 3 — Parallel & Serial Promises Combined
Click the button below to start 3 chained promises which run in parallel and are passed to Promise.all() to create a fourth promise which will not resolve until all three parallel promiss do.