TL;DR

Learn typed arrays, tuples, and objects in TypeScript. Build type-safe data structures with interfaces, readonly, and generics.

Key concepts

  • TypeScript arrays
  • TypeScript tuples
  • typed data structures
  • TypeScript objects

Next lesson

Interfaces and Types

Master TypeScript interfaces and type aliases. Learn extending, intersection types, declaration merging, and when to use each.

22 min

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