How to build chat application using Nodejs, Express and Socket.IO

Introduction In this example we will see how to build chat application using Nodejs, express and socket.io. You can find the original demo at https://socket.io/. This chat application has the following features: Asks for nick name from participant Tracks how many participants are there in the room Tracks who joins the room Tracks who leaves the room Tracks who is typing a message Displays the message with name

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