What is Node.js Exactly? – a beginners introduction to Nodejs

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What exactly is node.js? Is it a command-line tool, a language, the same thing as Ruby on Rails, a cure for cancer?

If you’re new to web development, it can be a bit confusing as to what exactly node.js is and to what you should do with it, and there’s a lot of information out there…most of which seems to be tailored towards genius-level developers.

So, here’s a node.js introduction for those who have no idea what it is.

We’re going to cover the difference between javascript in a browser vs javascript in node.js and the common uses for node.js.

To wrap it up, we’re going to spin up a quick web server in node.js just to show you how easy it is.

Now, learn how to build an Express.js App!

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35 thoughts on “What is Node.js Exactly? – a beginners introduction to Nodejs

  1. Thanks for this explanation! I have already made couple of applications using the MEAN stack, but its just now that I understood how the engine behind all this works. Thanks again!

  2. Great video! I love your fast pace. I don't have a second to lose focus, and if I need to repeat something I can just rewind the video. This is how video tutoring is supposed to be done!

  3. When i do the server.listen(3000) at 12:01, and i console.log('got a request'), and then go to the page, i get three "Got a request" at the same time. So its three console logs each time i go to the website. Why is that?

  4. I've been writing PHP for years, and i'm still not sure what the benefits are to Ruby or Node? It seems to be an ever more popular choice but I can't figure our why I should learn one of these new platforms and what help it would be to me?

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