Episode 82 of The Web Development Podcast with Fexingo dives into a subtle but common source of memory leaks in JavaScript: closures. Lucas and Luna break down how closures hold references to outer function scopes, preventing garbage collection and gradually bloating memory usage. They trace the problem through concrete examples—from event listeners in React components to data-binding patterns in vanilla JS—and show how to spot them using Chrome DevTools heap snapshots. The episode offers practical fixes like nullifying references and using WeakMap, and explains why even experienced developers fall into this trap. Perfect for frontend engineers and web developers who want to build more performant, memory-efficient single-page applications without the mystery.

#ClosureMemoryLeak #JavaScript #WebPerformance #MemoryManagement #GarbageCollection #Frontend #React #ChromeDevTools #WeakMap #EventListeners #DOMNodes #HeapSnapshots #WebDev #SoftwareEngineering #Technology #FexingoBusiness #BusinessPodcast #WebDevelopmentPodcast

Keep every episode free: buymeacoffee.com/fexingo