CHAPTER 7
Real-time Collaboration with Node.js
Throughout the book so far, all the code we have written has been client side, but although client side JavaScript is very powerful nowadays it is often necessary to have a server so that data can be stored online, to keep sensitive logic out of the client, or so that users can interact with each other online. You may be familiar with other server side languages such as PHP or Ruby (possibly even Perl!), but one of the advantages of Node.js is that you write server side code in JavaScript so it should be easy to pick up because you have client side JS experience.
Making a Chatroom
In this chapter ...
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