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Hey, guys, now that we've learned about client servers and databases, let's talk about which are
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the technologies that professional developers use to create these backends.
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So the programming languages used on the front end are pretty fixed.
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It pretty much has to be HTML, CSS and JavaScript because these are the only things that the browser
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can work with.
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And even though we've seen and worked with some frameworks on the front end and some common ones might
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be React, Angular and Vue, these are all JavaScript frameworks and all that they do are they act as
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the waiter who allows the client to interact with, ask questions about the menu, tell them that their
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email is inputted in an invalid format.
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Do all of this front end display and logic, and then when our request reaches the back end, we can
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actually work with pretty much any programming language.
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Now these are some of the most popular ones Java, Ruby, PHP, C-sharp, Python and JavaScript.
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And the reason why the back end language doesn't really matter is because as long as you're able to
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use something to generate the HTML, CSS and JavaScript files to send back over to the front end, then
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it doesn't really matter what language you use to do that.
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For example, if I wanted to Google the sunniest place on earth, I could do that in Japanese, German,
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French, English.
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It doesn't really matter what language I use as long as at the end I get the results back in a format
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that I can read.
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Now, some of the most common back end frameworks that you might come across on the internet are Rails,
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which is Ruby on Rails, The Java Spring Framework, the C sharp ASP.NET from Microsoft PHP will be
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using Laravel or Cake.
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And then there's Python, which includes Flask and Django.
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And then finally there's JavaScript, which has node.
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Now the framework and language that we're going to be using and learning on the back end is Node.js.
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And reason number one is in the name.
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It is a JavaScript back end framework and we've invested so much time learning about JavaScript in order
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to use it on the front end with React, also with vanilla JavaScript.
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And now we want to be able to reuse that knowledge of JavaScript to work with it on the back end using
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NodeJS.
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That's not the only reason though.
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It's not just because we already know JavaScript.
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So we're using Node.
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If you take a look at the latest StackOverflow developer survey, so they survey developers in this
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case, 45,000 of them, and they classify them into professional developers and those who are learning
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to code.
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If we look at professional developers, the number one use of framework for developers is NodeJS, and
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this list mixes all of the frameworks, not just front end or back end.
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That's why you see React and Angular, and we're going to be covering the number one most popular framework.
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So if you want to build a website and you want to be able to get access to the most helpful resources,
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the most amount of documentation, the most amount of help online, then you're going to want to use
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the most popular framework.
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Also, if you want to get a job and you can see that the number one tool that professional developers
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use is NodeJS, that means that most of the jobs that are asking for a back end developer or a full
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stack developer will expect you to know about Node.
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JS Now let's look at some of the other ones that I mentioned.
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So ASP.NET Django Flask, that's Python, Laravel for PHP, Ruby on Rails.
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These are all a lot less popular when you compare them with NodeJS, and some of them don't really change
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in their popularity.
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There's always some work for people who are C-sharp developers.
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There's always some work for people who work with Python, especially if you're working with a machine
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learning web app.
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Now, something like PHP, in the case of Laravel and Ruby, in the case of Ruby on Rails, I would
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say are actually very much declining in popularity over the years.
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And definitely if you see a web boot camp that's still teaching Ruby on Rails in this day and age,
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you should probably think twice about signing up and definitely, without a doubt, the most popular
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back end framework that.
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You need to know is NodeJS.
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And because we can't make a 500 hour course, we have to focus on one technology instead of covering
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all the technologies where you'll see me, you know, old and grey, and I'm still talking about one
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of the other frameworks.
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We have to make a choice.
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And the choice that I've made is for ease of use because you already know JavaScript, but also the
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most professionally important framework that you will be expected to know as a back end developer,
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which is going to be NodeJS.
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I hope you're excited to learn NodeJS and we will start right away in the next lesson.
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