Skill
TypeScript fundamentals
Make illegal states unrepresentable. Types are a design tool, not decoration.
Do these first
What you will be able to do
- Annotate functions and objects
- Use unions and narrowing
- Read compiler errors instead of fighting them with any
Curated resources
Start with the pick, then branch out
Scores are LearnPath editorial opinions (clarity, cost, freshness, project density) — not an objective ranking. Every YouTube item is embedded officially after a click-to-load facade.
Official docs
LearnPath pickdocumentationintermediate
TypeScript Handbook
Microsoft3h
Start with Everyday Types and Narrowing.
Score 97
Open
2h 40mBest for beginnersAlternativeyoutube coursebeginner
TypeScript — full course
freeCodeCamp / Net Ninja2h 40m
Enough to read and write TS in React/Node projects.
Score 86
Watch
1h 4mFastest pathQuick pathyoutube videointermediate
TypeScript Tutorial for Beginners
Programming with Mosh1h 4m
One hour of TypeScript for an experienced developer: annotations, interfaces, unions, generics, classes, then a typed project skeleton.
Score 72
Watch
3h 54mLearnPath pickMore curatedyoutube courseintermediate
TypeScript Full Course - From Beginner to Advanced
Tech With Tim3h 54m
A 2024 course that moves from primitives to generics, narrowing and typed React, then builds a project with the type system doing real work. Better than syntax-tour courses for developers who already know JavaScript.
Score 84
Watch
2h 6mBest for beginnersMore curatedyoutube coursebeginner
Learn TypeScript - Full Course for Beginners
freeCodeCamp.org2h 6m
Two hours, published 2024, starting from 'what problem does TypeScript solve' — ideal for learners who want types without a heavy generics detour on day one.
Score 79
WatchApply it
Challenges