What is Socket.IO?

Understand the Problem

The question is asking for an explanation of Socket.IO, which is a JavaScript library used for real-time web applications. It enables real-time, bidirectional communication between web clients and servers over web sockets. The high-level approach to answering this question would include its features, how it works, and common use cases.

More Information

Socket.IO provides real-time analytics, binary streaming, and instant messaging, among other applications. It uses WebSockets, a technology that provides a bidirectional communication channel over a single, long-lived connection.

Sources

• Socket.IO Official Documentation - Introduction - socket.io
• Socket.IO (software) - Wikipedia - en.wikipedia.org