AlexWebLab

Explore a wide range of web development topics, from JavaScript to React and beyond, and uncover valuable insights to enhance your skills.

Latest 2 articles:

Web Workers vs Service Workers: Different Tools for Different Problems

Web APIs & Async

Web Workers and Service Workers both run JavaScript off the main thread, but they serve fundamentally different purposes. Understanding when to reach for each one — and when not to — is key to building performant, reliable web applications.

Race Conditions in UI State: How They Happen and How to Prevent Them

Security & Architecture

Race conditions are not just a backend problem. They happen in frontend state management whenever multiple async operations can resolve in an unpredictable order — and they are responsible for some of the most subtle and hard-to-reproduce bugs in React applications.