All challenges
Multiple ChoiceHard 180s

[TypeScript] Record<K,V> Built-in type transforms

Object type with K keys and V values.
Options
  1. 1Utility types
  2. 2Generics
  3. 3Union/Intersection
  4. 4Type narrowing

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle