Web Worker

Offload heavy computation from the main thread. Keep UI responsive, run complex logic in background.

Module Contents

• Overview — What is a Worker, why is it needed
• Basic Usage — Create, postMessage, terminate
• Dedicated vs Shared — When to use Dedicated / Shared Worker
• MessageChannel — Direct communication between two Workers
• Service Worker — Network proxy and offline cache
• Practice: Offload Heavy Computation — Fibonacci + large array sorting moved to Worker