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SEO Web Design / Web Design  / Master TypeScript In 50 Short Lessons

Master TypeScript In 50 Short Lessons

About The Author

Vitaly Friedman loves beautiful content and doesn’t like to give in easily. When he is not writing or speaking at a conference, he’s most probably running … More about Vitaly Friedman[1]

Meet our new book, “TypeScript in 50 Lessons”, a deep-dive to understand what TypeScript is, how it works, and how you can make it work for you. With code walkthroughs, hands-on examples and common gotchas. 464 pages. Jump to table of contents and get the book right away.[2][3]

Every other day, one of your team members makes a case for switching from “chaotic” JavaScript to “sane” TypeScript. Maybe you rely on not-very-well-understood JavaScript libraries, or you have a large number of contributors, or the code base is difficult to maintain. The reasons are always similar, but so is the hesitance from the team. Why change the stack that seems to be working just fine?

That’s the question we’ve asked ourselves as well. So we’ve teamed up with Stefan Baumgartner[4], a seasoned JavaScript developer drawn to TypeScript for years, to break it all down into understandable pieces. The result is 50 short lessons on TypeScript — our shiny new book, with everything TypeScript explained, from start to finish.

TypeScript in 50 Lessons

Print + eBook

$ 39.00

Quality hardcover. Free worldwide shipping[5]. 100 days money-back-guarantee.


$ 19.00

DRM-free, of course. ePUB, Kindle, PDF.
Included with Smashing Membership[6].

About The Book

You might have heard about TypeScript, but you might not know why it’s useful, and how to make it work for you. This book is supposed to fix just that: it provides JavaScript developers with a simple, structured and pragmatic guidance towards TypeScript, and explains how to make sense of it all, step-by-step.

In “TypeScript in 50 Lessons”, Stefan Baumgartner breaks down the quirks of TypeScript into short, manageable lessonsfor front-end developers who know enough JavaScript to be dangerous. Jump to table of contents.[7][8]

TypeScript in 50 Lessons
Meet “TypeScript in 50 Lessons”[9], our new book on everything TypeScript: from typing functions to TypeScript tooling. Download a free sample PDF[10] (2.3 MB).

First, the book gently explores TypeScript, from basic ideas to common techniques and advanced strategies. Then, right around the midpoint, we’ll take the leap into structural type systems and why they are so useful for your work.

We’ll dive into working with types, typing functions, union and intersection types, generics, conditional types and wrap up with thinking in types.

You’ll learn:

  • TypeScript concepts, and how to make sense of them all.
  • TypeScript tooling, needed to use the language effectively.
  • How to get most out of TypeScript without learning a new language.
  • Structural type systems, their semantics, and why they matter.
  • Low-maintenance types and how to write types once, and let them grow automatically as code evolves.
  • How to bend the type system to make it fit the needs of your projects.
  • TypeScript culture and how the language is evolving.
TypeScript in 50 Lessons

Who is this book for?

It’s for developers who know enough JavaScript to be dangerous. If you are spending an increasing amount of time programming and want to be more productive, that’s the book you. With TypeScript, you can get more out of your JavaScript code – for yourself and your colleagues.

The book is also for developers who dipped their toes into TypeScript and now want to get their feet wet. If you want to learn about type systems and how they can be used to define complex JavaScript scenarios, this book will help you, too. This knowledge will ultimately become language-independent, preparing you for different programming languages that have elaborate type systems.

If you ever find yourself:

  • writing JavaScript with libraries and frameworks you barely know
  • writing JavaScript with other developers
  • writing JavaScript that deals with back-end data
  • writing JavaScript that your future self has to continue working on

then TypeScript will do right by you.

Table Of Contents

Programming books have a tendency to become outdated very quickly. When Stefan set out to write this book, his most important goal was that it had to be timeless. TypeScript gets at least two major releases a year, so there are new features and changes coming regularly.

That’s why the book focuses on the long-lasting aspects of the type system. You’ll understand how TypeScript works, and how to apply new features long after you’ve turned the last page of this book.

The book is split into 7 chapters.

1. TypeScript for Smashing People


2. Working with Types


3. Functions


4. Union and Intersection Types


5. Generics


6. Conditional Types


7. Thinking in Types


Natalie Marleny“This is a gentle and timeless journey through the tenets of TypeScript. If you’re a JavaScript programmer looking for a clear primer text to help you become immediately productive with TypeScript, this is the book you’re looking for. It’s filled with practical examples and clear technical explanations.”

Natalie Marleny[11], Application Engineer

Marvin Hagemeister“Stefan Baumgartner’s book finally made me want to use TypeScript. Until now, I didn’t understand why I should use TypeScript. Without knowing the core principles, it made things more complicated for me. After reading this book, I know how to use the power of TypeScript to my advantage.”

Vanessa Böhner[12], Software Developer and Chapter Leader at Front-End Foxes

Marvin Hagemeister“Stefan walks you through everything from basic types to advanced concepts like the infer keyword in a clear and easy to understand way. The book is packed with many real world examples and great tips, transforming you into a TypeScript expert by the end of it. Highly recommended read!”

Marvin Hagemeister[13], Creator of Preact-Devtools

464 pages. The eBook is already available[14] (PDF, ePUB, Amazon Kindle). We’ll ship printed copies in November 2020. Written by Stefan Baumgartner. Designed by Rob Draper.

TypeScript in 50 Lessons

Print + eBook

$ 39.00

Quality hardcover. Free worldwide shipping[15]. 100 days money-back-guarantee.


$ 19.00

DRM-free, of course. ePUB, Kindle, PDF.
Included with Smashing Membership[16].

About the Author

Stefan BaumgartnerStefan Baumgartner[17] is a software architect based in Austria. He has published online since the late 1990s, writing for Manning, Smashing Magazine, and A List Apart. He organizes ScriptConf, TSConf:EU, and DevOne in Linz, and co-hosts the German-language Working Draft podcast.

Technical Details

Community Matters ❤️

Producing a book takes quite a bit of time, and we couldn’t pull it off without the support of our wonderful community. A huge shout-out to Smashing Members for their ongoing support in our adventures. As a result, the eBook is and always will be free for Smashing Members[21]. Plus, Members get a friendly discount when purchasing their printed copy.

Stay smashing, and thank you for your ongoing support, everyone!

TypeScript in 50 Lessons

Print + eBook

$ 39.00

Quality hardcover. Free worldwide shipping[22]. 100 days money-back-guarantee.


$ 19.00

DRM-free, of course. ePUB, Kindle, PDF.
Included with Smashing Membership[23].

More Smashing Books & Goodies

Promoting best practices and providing you with practical tips to master your daily coding and design challenges has always been (and will be) at the core of everything we do at Smashing.

In the past few years, we were very lucky to have worked together with some talented, caring people from the web community to publish their wealth of experience as printed books that stand the test of time[24]. Paul and Adam are some of these people. Have you checked out their books already?


  1. ^ More about Vitaly Friedman … (
  2. ^ Jump to table of contents (
  3. ^ get the book right away. (
  4. ^ Stefan Baumgartner (
  5. ^ Free worldwide shipping (
  6. ^ Smashing Membership (
  7. ^ for front-end developers (
  8. ^ Jump to table of contents. (
  9. ^ “TypeScript in 50 Lessons” (
  10. ^ Download a free sample PDF (
  11. ^ Natalie Marleny (
  12. ^ Vanessa Böhner (
  13. ^ Marvin Hagemeister (
  14. ^ eBook is already available (
  15. ^ Free worldwide shipping (
  16. ^ Smashing Membership (
  17. ^ Stefan Baumgartner (
  18. ^ Check your delivery times (
  19. ^ eBook is already available (
  20. ^ Get the book right away. (
  21. ^ free for Smashing Members (
  22. ^ Free worldwide shipping (
  23. ^ Smashing Membership (
  24. ^ printed books that stand the test of time (
  25. ^ Click! (
  26. ^ Add to cart $39 (
  27. ^ Interface Design Checklists (PDF) (
  28. ^ Add to cart $10 (
  29. ^ Form Design Patterns (
  30. ^ Add to cart $39 (

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