TypeScript Reference
Type-safe JavaScript with types, interfaces, generics, and type guards
Advanced
Generics
Create reusable components with generics
Type Guards
Narrow types with type guards
Basics
Primitive Types
Basic TypeScript type annotations
Types
Arrays & Tuples
Type arrays and fixed-length tuples
Interfaces
Define object shapes with interfaces
Union Types
Combine multiple types with union
Utility Types
Use built-in utility types like Partial, Required, Pick
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