39 articles found
JavaScript runs on a single thread, and the moment you throw something heavy at it, the whole page locks up. Web Workers give you actual background threads that run in parallel with the main thread. Here is how to use dedicated workers, shared workers, transferable objects, and worker pools — with real examples like image processing and large file parsing.
ES2025 adds the pipeline operator, pattern matching, Records and Tuples, Set methods, the Temporal API, and more. Some of it is genuinely exciting. Some of it you probably won't touch for another two years. Here's an honest look at what's coming.
Generics separate TypeScript beginners from everyone else. Here are the patterns you'll actually reach for in real codebases, explained without the academic fluff.
I put off learning TypeScript decorators for a long time. They looked like unnecessary magic. Then I actually used them on a real project -- and changed my mind. This guide walks through every type of decorator with real-world examples, from Express route handlers to validation patterns.
TypeScript's built-in utility types didn't click for me right away. Then I started building real APIs and they became part of my daily toolkit. Here's a reference guide covering every built-in utility type, plus how to build your own with mapped types, conditional types, and template literal types — with honest notes on which ones actually matter.
When our team decided to migrate to TypeScript, I thought it'd take a week. It took three months. Here's the full story -- what went smoothly, what broke, how we handled strict mode, third-party types, and the build pipeline.