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FAQs – Quick-Glance Version 📋
| # | Question | Short Answer |
|---|---|---|
| 1 | What is TypeScript? | A statically-typed superset of JavaScript that compiles to plain JS. |
| 2 | Why use it if JavaScript works fine? | Types catch bugs early, improve autocomplete, and make large codebases safer. |
| 3 | Do I have to rewrite everything? | No—adopt file-by-file or add JSDoc types; TS and JS interoperate seamlessly. |
| 4 | Is the learning curve steep? | Basic types feel familiar in a day or two; advanced generics take longer. |
| 5 | Will builds slow down? | Modern compilers (ESBuild, SWC, Vite) keep rebuilds fast—often faster than Babel. |
| 6 | Is it tied to Microsoft? | No—TypeScript is open-source and works with any bundler or runtime (Deno, Bun, Node). |
| 7 | How does TS help AI tools? | Rich type info gives Copilot-style assistants more context → better code suggestions. |
| 8 | What’s new in TS 5.8 (2025)? | Smarter control-flow analysis, faster incremental builds, and cleaner ESM/CommonJS interop. |
| 9 | Is TS only for front-end work? | No—use it for Node APIs, edge functions, CLIs, and AI pipelines. |
| 10 | Best way to start? | npm i -D typescript → tsc --init --strict → rename one .js file to .ts and fix hints. |
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