Learn TypeScript JS with AI vs ZeroDay Dev

Ready to master TypeScript? Whether you're a JavaScript developer looking to level up or a complete beginner ready to learn to code, this is the only app you'll need. We make learning TypeScript simple, interactive, and fast with a powerful AI Assistant built right in. Stop struggling with complex documentation. Our "Learn TypeScript" app is your all-in-one guide, taking you from novice to a job-ready TypeScript developer. Why Choose Us? - YOUR PERSONAL AI CODING ASSISTANT Stuck on a bug? Need a concept explained? Our revolutionary AI Assistant is your 24/7 programming tutor. Ask it to "explain this concept," "give me an example," "how do I debug this," or "show me the syntax." Get instant answers and never get stuck again. - 118+ COMPREHENSIVE LESSONS Master every aspect of TypeScript with a massive library of 118 bite-sized lessons. Our complete curriculum guides you from the fundamentals to advanced programming topics. - TRACK YOUR PROGRESS & STAY MOTIVATED Watch your skills grow! Track your Overall Progress, complete daily goals, and build your Current Streak. Our app is designed to keep you motivated on your journey to learn coding. - POWERFUL SEARCH Instantly find any TypeScript topic, lesson, or piece of content. Our robust search helps you review functions, classes, or syntax exactly when you need to. Our Complete TypeScript Curriculum Our curriculum is built to make you a confident TypeScript developer.  You will learn: - Getting Started with TypeScript - TypeScript Basics and Setup - Working with Data Types (Arrays, Enums, Tuples) - Type Assertions and Type Guards - Functions in TypeScript (including arrow functions) - Interfaces and Type Contracts - Classes and Objects - Inheritance and Polymorphism - Generics in TypeScript - Modules and Namespaces - TypeScript and JSON Data Who Is This App For? - Absolute beginners who want to learn to code. - JavaScript (JS) developers looking to upgrade their skills to TypeScript. - Students who need a programming study aid. - Any developer who wants a quick TypeScript reference and debug tool. - Front-end developers working with frameworks like Angular, React, or Vue. - Don't just learn TypeScript—master it. With 118 lessons and your own AI coding partner, you'll be building powerful, type-safe applications in no time. Download "Learn TypeScript" today and start your coding journey!

Learn to break things—before attackers do. ZeroDay Dev teaches secure coding and blockchain security through 4,000+ hands-on challenges. Learn from 120+ real-world exploits: Beanstalk, Indexed Finance, bZx, VeilCash, Sigma.Money, Bybit, and more. Each exploit is linked to verified incident records so you learn from actual on-chain events, not hypotheticals. Practice — Build exploit intuition without reading docs. Tap vulnerable lines, drag tokens into code, get instant feedback. Filter by domain (Exploits, Solidity, Rust, DeFi, Solana) or difficulty. Exercises — Full code challenges with reference solutions. Deeper dives when you're ready. Exam — Prepare for real security assessments. Timed tests across domains with performance tracking. Memory-match decks for opcodes, EIPs, and security terms. Deep Dive Hub — Curated learning tracks for Web2, Web3, Rust, ZK Proofs, and Trading. Recommended tracks driven by your weak areas. Build your own from bookmarks or missed questions. Streaks & XP — Stay consistent and level up. Daily streaks, badges, and progression keep you coming back. Offline-first — Learn on the subway, no Wi‑Fi needed. All content lives on your device. No account required—start immediately. Covers reentrancy, oracle manipulation, flash loans, proxy races, ZK trusted setup, and more. Rust, Solidity, DeFi, Solana & cybersecurity.