The TypeScript Handbook

This handbook provides comprehensive coverage of all concepts in the official TypeScript Handbook. Explanations have been simplified, and there are more opportunities to practice the skills that reinforce your TypeScript knowledge.

Handbook

JavaScript

Understanding the language of web programming and the structure of web pages.

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Basics

The fundamental ideas of TypeScript, and how it relates to JavaScript.

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Objects

The most common way to organize information and represent external concepts.

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Functions

Reusable blocks of code that can transform inputs into outputs.

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Types

A detailed look at how the TypeScript type system works.

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Advanced Types

Advanced features of the type system, like unions, intersections, and tuples.

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Utility Types

Facilitate common type transformations with a variety of built-in types.

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Classes

Classes are a template for creating objects.

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Modules

Modules.

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Namespaces

Namespaces.

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Decorators

A powerful experimental feature.

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