TypeScript Handbook
The handbook will help you learn to be productive in TypeScript.
Get Started
Quick introductions based on your background or preference.
Handbook
A good first read for your daily TS work.
Handbook Reference
Deep dive reference materials.
- Advanced Types
- Declaration Merging
- Decorators
- Global Utility Types
- Iterators and Generators
- JSDoc Supported Types
- JSX
- Mixins
- Modules
- Module Resolution
- Namespaces
- Namespaces and Modules
- Symbols
- Triple-Slash Directives
- Type Compatibility
- Type Inference
- Type Checking JavaScript Files
- TypeScript & the DOM
- Variable Declarations
Declaration Files
Learn how to write declaration files to describe existing JavaScript. Important for DefinitelyTyped contributions.
Project Configuration
Compiler configuration reference.