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Learn TypeScript

Turn your shaky JavaScript into type safe code with a deep understanding of TypeScript.

What will you learn?

Master TypeScript from start to finish in this immersive, hands-on course. TypeScript's meteoric rise in popularity, both on the frontend and backend, has brought demand for TypeScript developers to among the highest in the industry. In this course you'll learn all the fundamentals of the language while solving real-world type challenges each step of the way.

Chapter List

1
Types
Learn the basic types in TypeScript and the syntax for using them
2
Functions
Learn how to write type-safe functions with TypeScript's robust type system.
3
Unions
Learn how to declare and use union types in TypeScript to allow variables to hold multiple types
4
Arrays
Learn to work with typed arrays in TypeScript, including syntax, generics, unions and type inference
5
Objects
Learn how to work with object types in TypeScript
6
Tuples
Learn how to use tuples in TypeScript
7
Intersections
Learn the basics of intersections in TypeScript
8
Interfaces
Discover the core principles of interfaces in TypeScript
9
Enums
Practice using enums in TypeScript
10
Type Narrowing
Learn how TypeScript uses type narrowing to infer more about your code.
11
Classes
Learn about TypeScript's class features, including class syntax, access modifiers, inheritance, interfaces, and more.
12
Utility Types
Learn about some utility types that can come in handy in TypeScript.
13
Generics
Learn how to create reusable components with type parameters in TypeScript
14
Conditional Types
Learn how to create types that react dynamically to other types using TypeScript's powerful conditional type system.
15
Local Development
Learn how to set up and optimize your TypeScript development environment.

Join 14,205 students in the Learn TypeScript course

Read reviews of their learning experiences

Cool course, enjoyed it and learned a bunch

(5/5)
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JetGravy

United States

Such a great one, I think it covered everything you need to know about Typescript

(5/5)
Gabriel Henrique profile image

Gabriel Henrique

Brazil

Fantastic. Can't wait to put TypeScript to use.

(5/5)
Tyler Shetrompf profile image

Tyler Shetrompf

United States

A great TypeScript course. Covers everything from the very basics to more complex topics in a logical and concise manner.

(5/5)
Rastko Andonov profile image

Rastko Andonov

Serbia

Great!

(5/5)
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Charl de Kock

South Africa

Amazing course! I brushed up on my typescript powers and even learned a ton of new useful things. Generics aren't scary anymore!

(5/5)
Pedro Laracuente profile image

Pedro Laracuente

Dominican Republic

Nice introduction to TypeScript

(5/5)
Tom  profile image

Tom

England

Very thorough course that covers the core features of the language.

(5/5)
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Harry Lanz

London, England

very hard course for a beginner JS programmer. I loved it and hated it, but that's just TypeScript in a nutshell.

(5/5)
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Baggers

United Kingdom

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Mediocrity doesn't cut it anymore

The only way to become a great developer is to write a lot of code

Avoid tutorial hell

by writing a ton of code

Stay motivated with

a game-like curriculum

Build portfolio projects

to prove your skills

Delve deeper

into foundational concepts

Learn flexibly online

without interrupting your life

For 1% the price of college

to minimize your financial risk

Frequently asked Questions

Got questions? We've got answers

Yes! It's free to create an account and start learning. You'll get all the immersive and interactive features for free for a few chapters. After that, if you still haven't paid for a membership, you'll be in read-only (content only) mode.