Engrain by ByteRush

JS.15.05 Mid-levelCore — asked often

Promise.all, allSettled, race, any

Comes up in: Coding

This concept is being written. It gets the full five steps — explanation, predict, interview angle, practice with tests, and review cards. Here is exactly what it will cover, so you can study it elsewhere in the meantime.

What it covers

  • accepting any iterable
  • non-promise values
  • result order
  • empty input
  • AggregateError for any

Words you will know

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What you will practise

  • implement all four (timed)

Interview questions this answers

  • Implement Promise.any.