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Chapter 17

Promises

Promise states and resolution, chaining, combinators, error propagation, and implementing promises yourself.
8 questions
  1. 010What is a Promise?Coming soonCoreeasy
  2. 020How does promise chaining work?Coming soonCoremedium
  3. 030Promise.all vs allSettled vs race vs any?Coming soonCoreeasy
  4. 040How do errors propagate through promises, and what is an unhandled rejection?Coming soonmedium
  5. 050What do Promise.withResolvers and Promise.try solve?Coming soonmedium
  6. 060Implement Promise.all.Coming soonCoremedium
  7. 070Implement a Promise from scratch.Coming soonhard
  8. 080How do you convert a callback API to promises?Coming sooneasy