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React 19

Real-time, PWA & Local-First

WebSockets, SSE, CRDT synchronization, IndexedDB, Dexie.js, Service Workers, Offline-first architecture

5 lessons•~150 min•+150 XP
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Remaining to learn: 5

Lessons in Module (5)

5 lessons in order
01

Bidirectional Communication in React: WebSockets, SSE, and WebTransport

30 min•+30 XP
02

Local-First Architecture: CRDT (Yjs) and Client Databases (IndexedDB, OPFS)

30 min•+30 XP
03

Web Workers in React: Offloading Heavy Computations from the Main Thread with Comlink

30 min•+30 XP
04

PWA, Service Workers, and Offline-First Strategies in React Applications

30 min•+30 XP
05

System Web APIs in React: Clipboard, Web Share, Permissions, MediaDevices

30 min•+30 XP
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