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TypeScript
Beginner to AdvancedType system, generics, async — differences from JS (7 lessons)
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Async
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05 Async
7 lessons
Synchronous vs. Asynchronous — Protecting Callback SignaturesContinue
25 minRead
Event Loop — Microtask vs Macrotask
30 minRead
Promise<T> — JS vs TS Differences
30 minRead
async / await — Return Type and err: unknown
30 minRead
Fetch API — Generic Helper fetchJson<T>
30 minRead
Error Handling — Narrowing unknown in catch
30 minRead
Advanced Error Handling — Result<T, E> Pattern
40 minRead
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Yes. Every lesson follows concept → code example → interactive demo → quiz, so you can follow along with no prior knowledge.
How long does it take to learn TypeScript?
Each lesson is about 30-60 minutes on average. At 1-2 lessons a day, you can finish the whole category in about 1-2 months.
Can the AI mock interview be based on TypeScript too?
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