Dev.to
6/19/2026

TypeScript Types Demystified: Simple Types, Special Types, and Type Inference
Short summary
Comprehensive TypeScript tutorial covering primitive types (string, number, boolean), type inference, arrays, tuples, union types, and special types (any, unknown, void, never). Explains when to use type inference versus explicit annotations with practical examples, and clarifies confusing concepts like any vs unknown. Essential reading for developers learning to write type-safe, maintainable code with TypeScript.
- •Master basic TypeScript types and type inference rules
- •Understand arrays, tuples, and union types with real examples
- •Learn special types (any, unknown, void, never) and when to use each
Generated with AI, which can make mistakes.
Is this a good recommendation for you?



