Socket.IO (with websockets) – the details. (socket io v2)

Socket io. For those who want to learn how to harness real-time communication on the web. With Cluster, redis, & React
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Robert Bunch
November 14, 2020
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Socket.IO (with websockets) – the details. (socket io v2) is a tutorial from the Udemy website that introduces you to Socket.IO and how to communicate in real time on the web. Socket.IO is a JavaScript library for web-based real-time applications that enables direct communication between clients and web servers. Web Sockets are one of the most useful tools in the web that provide developers with the ability to work with the network as well as the inbound and outbound behavior of files. Socket io is a powerful library that uses web sockets.

In this course, you will be thoroughly acquainted with the socket.IO library and learn its topics by working on various projects. This course not only teaches you the basics of socket.IO, but also introduces more advanced topics to fully understand how real-time communication is on the web. The tutor explains how to configure the development environment and introduces you to TCP , network sockets, and native web application. How to stream video and work with HTTP are other topics in the course.

What you'll learn

  • Socketio. That's (mostly) all we cover so when you finish, you'll know it!
  • Setup a socketio application between the browser and an Express server and run real-time back and forth
  • Understand the basics of websockets and how they work
  • The basics of the transport layer and how a packet works

This course includes

  • 14 hours on-demand video
  • 3 articles
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of completion


  • You have a solid working knowledge of JavaScript and nodejs (Not a ninja, but you are not new).
  • You have used the node ecosystem (npm, Express, etc.). This is NOT an intro to node class and I will NOT cover these in detail.
  • You have basic command line knowledge (at least capable of navigating and running a program)
  • You have a computer capable of running Nodejs.

Who this course is for

  • JS/Node developers who want to actually learn how to use Socketio for more than a chat app tutorial
  • JS developers interested in how node & JS combine to make the networking happen
  • Developers interested in building real time applications

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