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TypeScript
JavaScript plus a type layer: annotations and inference, interfaces and unions, generics, narrowing and utility types. Every example is checked by the real TypeScript compiler.
Start learning ❯❯33 lessons · 12 topics · 0/33 completed
Course contents
Work top to bottom — the sidebar is the course. Topics later in the list assume the ones before them.
TypeScript Introduction
Beginner · ⏱ 4 min · standalone lesson
Getting Started
- TypeScript Basic Types
- TypeScript Type Inference
- TypeScript Arrays
- TypeScript Tuples
- TypeScript Enums
Special Types
Start: TypeScript Any ❯Union Types
Start: TypeScript Unions ❯Functions
Start: TypeScript Typed Functions ❯Object Types
- TypeScript Object Types
- TypeScript Interfaces
- TypeScript Optional Properties
- TypeScript Type Aliases
- TypeScript Extending Types
Classes
Start: TypeScript Classes ❯Generics
Start: TypeScript Generics ❯Narrowing and Casting
Start: TypeScript Narrowing ❯Utility Types
Start: TypeScript Utility Types ❯Modules and Config
Start: TypeScript Modules ❯TypeScript Project: Typed Cart
Beginner · ⏱ 6 min · standalone lesson