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These are the user uploaded subtitles that are being translated: 1 00:00:00,440 --> 00:00:06,530 Hey, guys, now that we've learned about client servers and databases, let's talk about which are 2 00:00:06,530 --> 00:00:11,240 the technologies that professional developers use to create these backends. 3 00:00:11,450 --> 00:00:15,560 So the programming languages used on the front end are pretty fixed. 4 00:00:15,560 --> 00:00:23,600 It pretty much has to be HTML, CSS and JavaScript because these are the only things that the browser 5 00:00:23,600 --> 00:00:24,840 can work with. 6 00:00:24,860 --> 00:00:30,740 And even though we've seen and worked with some frameworks on the front end and some common ones might 7 00:00:30,740 --> 00:00:38,870 be React, Angular and Vue, these are all JavaScript frameworks and all that they do are they act as 8 00:00:38,870 --> 00:00:46,070 the waiter who allows the client to interact with, ask questions about the menu, tell them that their 9 00:00:46,070 --> 00:00:49,550 email is inputted in an invalid format. 10 00:00:49,580 --> 00:00:57,860 Do all of this front end display and logic, and then when our request reaches the back end, we can 11 00:00:57,860 --> 00:01:01,680 actually work with pretty much any programming language. 12 00:01:01,710 --> 00:01:08,070 Now these are some of the most popular ones Java, Ruby, PHP, C-sharp, Python and JavaScript. 13 00:01:08,070 --> 00:01:13,650 And the reason why the back end language doesn't really matter is because as long as you're able to 14 00:01:13,650 --> 00:01:21,750 use something to generate the HTML, CSS and JavaScript files to send back over to the front end, then 15 00:01:21,750 --> 00:01:25,410 it doesn't really matter what language you use to do that. 16 00:01:25,590 --> 00:01:31,350 For example, if I wanted to Google the sunniest place on earth, I could do that in Japanese, German, 17 00:01:31,350 --> 00:01:32,390 French, English. 18 00:01:32,400 --> 00:01:39,330 It doesn't really matter what language I use as long as at the end I get the results back in a format 19 00:01:39,330 --> 00:01:40,530 that I can read. 20 00:01:41,010 --> 00:01:47,940 Now, some of the most common back end frameworks that you might come across on the internet are Rails, 21 00:01:47,940 --> 00:01:59,310 which is Ruby on Rails, The Java Spring Framework, the C sharp ASP.NET from Microsoft PHP will be 22 00:01:59,310 --> 00:02:01,590 using Laravel or Cake. 23 00:02:01,590 --> 00:02:06,720 And then there's Python, which includes Flask and Django. 24 00:02:06,720 --> 00:02:10,979 And then finally there's JavaScript, which has node. 25 00:02:11,190 --> 00:02:18,420 Now the framework and language that we're going to be using and learning on the back end is Node.js. 26 00:02:18,420 --> 00:02:21,750 And reason number one is in the name. 27 00:02:21,750 --> 00:02:30,420 It is a JavaScript back end framework and we've invested so much time learning about JavaScript in order 28 00:02:30,420 --> 00:02:36,000 to use it on the front end with React, also with vanilla JavaScript. 29 00:02:36,000 --> 00:02:44,580 And now we want to be able to reuse that knowledge of JavaScript to work with it on the back end using 30 00:02:44,580 --> 00:02:45,750 NodeJS. 31 00:02:46,020 --> 00:02:47,850 That's not the only reason though. 32 00:02:47,850 --> 00:02:49,890 It's not just because we already know JavaScript. 33 00:02:49,890 --> 00:02:51,290 So we're using Node. 34 00:02:51,300 --> 00:02:59,370 If you take a look at the latest StackOverflow developer survey, so they survey developers in this 35 00:02:59,370 --> 00:03:06,270 case, 45,000 of them, and they classify them into professional developers and those who are learning 36 00:03:06,300 --> 00:03:06,880 to code. 37 00:03:06,900 --> 00:03:15,150 If we look at professional developers, the number one use of framework for developers is NodeJS, and 38 00:03:15,150 --> 00:03:20,430 this list mixes all of the frameworks, not just front end or back end. 39 00:03:20,460 --> 00:03:29,550 That's why you see React and Angular, and we're going to be covering the number one most popular framework. 40 00:03:29,550 --> 00:03:35,940 So if you want to build a website and you want to be able to get access to the most helpful resources, 41 00:03:35,940 --> 00:03:41,670 the most amount of documentation, the most amount of help online, then you're going to want to use 42 00:03:41,670 --> 00:03:43,350 the most popular framework. 43 00:03:43,590 --> 00:03:49,410 Also, if you want to get a job and you can see that the number one tool that professional developers 44 00:03:49,410 --> 00:03:55,680 use is NodeJS, that means that most of the jobs that are asking for a back end developer or a full 45 00:03:55,680 --> 00:03:59,090 stack developer will expect you to know about Node. 46 00:03:59,100 --> 00:04:02,340 JS Now let's look at some of the other ones that I mentioned. 47 00:04:02,340 --> 00:04:09,360 So ASP.NET Django Flask, that's Python, Laravel for PHP, Ruby on Rails. 48 00:04:09,390 --> 00:04:17,820 These are all a lot less popular when you compare them with NodeJS, and some of them don't really change 49 00:04:17,820 --> 00:04:18,810 in their popularity. 50 00:04:18,810 --> 00:04:23,310 There's always some work for people who are C-sharp developers. 51 00:04:23,310 --> 00:04:28,650 There's always some work for people who work with Python, especially if you're working with a machine 52 00:04:28,650 --> 00:04:29,820 learning web app. 53 00:04:29,880 --> 00:04:37,290 Now, something like PHP, in the case of Laravel and Ruby, in the case of Ruby on Rails, I would 54 00:04:37,290 --> 00:04:42,600 say are actually very much declining in popularity over the years. 55 00:04:42,870 --> 00:04:50,190 And definitely if you see a web boot camp that's still teaching Ruby on Rails in this day and age, 56 00:04:50,190 --> 00:04:57,810 you should probably think twice about signing up and definitely, without a doubt, the most popular 57 00:04:57,810 --> 00:04:59,520 back end framework that. 58 00:04:59,560 --> 00:05:01,810 You need to know is NodeJS. 59 00:05:01,810 --> 00:05:09,610 And because we can't make a 500 hour course, we have to focus on one technology instead of covering 60 00:05:09,610 --> 00:05:15,520 all the technologies where you'll see me, you know, old and grey, and I'm still talking about one 61 00:05:15,520 --> 00:05:16,720 of the other frameworks. 62 00:05:16,720 --> 00:05:18,100 We have to make a choice. 63 00:05:18,100 --> 00:05:25,930 And the choice that I've made is for ease of use because you already know JavaScript, but also the 64 00:05:25,930 --> 00:05:32,680 most professionally important framework that you will be expected to know as a back end developer, 65 00:05:32,680 --> 00:05:34,780 which is going to be NodeJS. 66 00:05:35,080 --> 00:05:40,240 I hope you're excited to learn NodeJS and we will start right away in the next lesson. 7206

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