Socket.IO is a JavaScript library for realtime web applications. It comes in two parts – a client-side library that runs in the browser and a server-side library for Node.js. In this post I will walk you through complete integration scenario with Oracle JET.

Here you can see it in action. Send Event button from JET – sends message through Socket.IO to Node.js server side. Message is handled on server side and response is sent back to client (displayed in browser console):

Server side part with Socket.io is implemented in Node.js application and it runs on Express. To create Node.js application (which is just one json file in the beginning), run command:
npm init
To add Express and Socket.io, run commands: Read the complete article here.

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