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Learn TypeScript | Code & Run

by MEHMET CANKER (TR) more by this developer →

#570,553 of 719,896 by ratings on Apple · #55,493 of 72,290 in Education

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Category: Education

Description

Learn TypeScript and write JavaScript that scales — types, generics and real project patterns.
Bite-sized lessons with a code runner on your phone and an AI mentor that gives you instant, clear answers.
Made for JavaScript developers levelling up, and for beginners aiming at frontend or Node.js jobs.

WHY LEARN TYPESCRIPT?
• TypeScript is the default for serious JavaScript work — React, Angular, Node and most modern codebases expect it
• Typed code means fewer runtime bugs and much better tooling: autocomplete that actually knows your code
• It's one of the most-requested skills in frontend and full-stack job listings
• If you know JavaScript, you're closer than you think — TypeScript builds on what you already know

WHAT YOU'LL LEARN
• TypeScript fundamentals — types, variables, functions and control flow
• The type system in depth — unions, narrowing and discriminated unions
• Generics — write flexible code that stays type-safe
• Type inference, utility types and everyday patterns
• Using TypeScript with React components and Node.js backends
• Strict compiler options, tooling and production-ready workflows

EVERYTHING YOU NEED TO LEARN TYPESCRIPT
• AI Mentor — confused by a generic constraint or a compiler complaint? Ask anything and get a clear answer in seconds
• 100+ bite-sized lessons (5–10 minutes each) — short but genuinely deep
• Real code editor — write and run code right on your phone
• Quizzes and coding challenges after every topic to lock in what you learn
• Weekly Code Challenge — compete with learners around the world
• Certificate of completion — pass the final exam and prove your skills
• Streaks, progress tracking and smart reminders to keep you consistent
• Learn on the go — lessons load fast and keep working on flaky connections
• App available in 22 languages

WHO IT'S FOR
• JavaScript developers who keep seeing TypeScript in job posts and codebases
• React and Node developers who want end-to-end type safety
• Beginners who'd rather learn the modern standard from day one
• Anyone prepping for frontend or full-stack interviews

MIGRATE WITH CONFIDENCE
Already have a JavaScript project? The migration lessons show you how to adopt TypeScript gradually — file by file, without stopping feature work.

Part of CoddyKit — a family of 40+ coding apps trusted by 100,000+ learners worldwide.

Free to start: your first course is free, with a daily AI Mentor allowance. Pro unlocks every course, removes ads and gives you unlimited AI Mentor.

Download now — your future self (and your linter) will thank you.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.coddykit.com/terms/privacy-policy

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.coddykit.com/terms/privacy-policy

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.coddykit.com/terms/privacy-policy

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