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Learn TypeScript

Learn TypeScript with hands-on exercises covering types, interfaces, unions, narrowing, generics, utility types, and local tooling.

What you'll learn in this TypeScript course

Learn TypeScript from start to finish in this immersive, hands-on course. You'll build on your JavaScript knowledge while solving real-world type challenges that cover the language's fundamentals and more advanced features.

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 16,927 students in the Learn TypeScript course

Read reviews of their learning experiences

Great way to start learning Ts.

(5/5)
Sofi  profile image

Sofi

France

Very nice and not a scratch on the surface, didn't expect to enjoy this pain.

(5/5)
Jazz  profile image

Jazz

Egypt

Good course but too long

(4/5)
Othman Obayat profile image

Othman Obayat

Palestinian Territories

nice

(4/5)
Pramish K.C profile image

Pramish K.C

Nepal

Generally just a good course. It covers difficult topics and as an experienced dev it explains concepts that I was told "Just don't do this". All in all great at keeping me sharp and teaching me.

(5/5)
Bradley Taylor profile image

Bradley Taylor

United States

This made me understand why people drop TS, it is too much ...

(5/5)
V M profile image

V M

Ivano-Frankivsk, Ukraine

It was really cool course and espessially it was useful know and increase my experiense in the type and another method which will help me undestand in the full-stack web code

(5/5)
Muhriddin Mahamadaliev profile image

Muhriddin Mahamadaliev

Uzbekistan

tedious

(3/5)
Gabriel  profile image

Gabriel

United States

This course is one of the most comprehensive on the TypeScript, offering guidance on what to use and what to avoid in production, whether you're an application developer or a library developer.

(5/5)
Muhammad Umair profile image

Muhammad Umair

Quetta, PK

Showing 1-9 of 182

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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. TypeScript builds on JavaScript, so you should understand JavaScript fundamentals first. Boot.dev's Learn JavaScript course is the prerequisite for this course.