Stop Blocking the Main Thread — Web Workers Explained

Ever had a button click freeze your entire app? In this video, we'll look at why JavaScript blocks the UI, why async/await doesn't fix CPU-heavy work, and how Web Workers let you move expensive tasks off the main thread to keep your app responsive. We'll build a simple React example, see the problem in action, and fix it with a Web Worker. #javascript #react #webworkers #webdevelopment #frontend