📖 Step 6: Development#287 / 291
WebSocket
WebSocket
📖One-line summary
A protocol that opens a single persistent connection for real-time two-way messaging.
💡Easy explanation
A connection that, once opened, lets both sides send messages in real time. Common for chat and live notifications.
✨Example
💻
Client
⚡
↔ 0 messages exchanged
🖥️
Server
⚡Vibe coding prompt examples
>_
Write a minimal 1:1 chat example using Next.js + Socket.IO, including the auth flow.
>_
Mobile networks drop the WebSocket often. Design a reconnection + message-preservation strategy.
>_
Build a decision tree for choosing Server-Sent Events vs. WebSocket.
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