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Sams Teach Yourself Node.js in 24 Hours by George Ornbo

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Hour 12. Introducing Socket.IO

What You’ll Learn in This Hour:

• What Socket.IO is and how you can use it

• Connect clients to a Socket.IO-enabled Node.js server

• Send data from the server to clients

• Create real-time applications

Now for Something Completely Different

Up to this point, you have learned the fundamentals of how to create basic applications with Node.js. Socket.IO is a module for Node.js that exposes some of the things that make Node.js different from other frameworks and languages. In this hour, you see how Node.js, Socket.IO, and WebSockets can create real-time web applications—a hugely exciting possibility for web development!

Brief History of the Dynamic Web

Historically, the web was not designed to be dynamic. It was designed ...

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