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# Introduction to TypeScript TypeScript is a **strongly typed** programming language that builds on JavaScript. ## Key Features - **Static typing** — catch errors at compile time - **Interfaces** — define contracts for objects - **Generics** — reusable type-safe code - **Enums** — named constant values ## Basic Example ```typescript interface User { id: number; name: string; email: string; } function greet(user: User): string { return `Hello, ${user.name}!`; } ``` ## Why TypeScript? TypeScript helps teams build *large-scale* applications with confidence. The type system acts as documentation and enables better IDE tooling. > "Any application that can be written in JavaScript, will eventually be written in JavaScript." — Atwood's Law ## Getting Started 1. Install TypeScript: `npm install -g typescript` 2. Create a `tsconfig.json` file 3. Write `.ts` files and compile with `tsc` --- Happy coding! 🚀
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