What are the key features of Socket.IO?

What are the key features of Socket.IO?

Socket.IO is a JavaScript library for real-time web applications. Its key features include real-time communication, automatic reconnection, multiplexing, and support for various transport protocols.

Can you explain how real-time communication works in Socket.IO?

Real-time communication in Socket.IO is achieved through WebSockets, which allow for full-duplex communication between the client and server. If WebSockets are not available, it falls back to other techniques like long polling.

What is multiplexing in Socket.IO?

Multiplexing in Socket.IO allows you to create multiple logical connections over a single WebSocket connection. This means you can handle different namespaces and events without needing separate connections.

How does Socket.IO handle reconnections?

Socket.IO automatically attempts to reconnect when the connection is lost. It uses exponential backoff to manage reconnection attempts, ensuring a smooth user experience.