JavaScript allows you to program in many different styles, and using functional programming is an excellent choice. So Instead, you'll learn functional programming by just using Modern jаvascript, and a few helper libraries. But there's some final concepts used heavily in functional code that we have to cover. As a nuclear trained engineer, he figured out how to learn things quickly, which has helped in a career where the learning never stops. You pass a function that processes the result, and a starting point: Recursion is a key topic in functional programming. But it's not just the big companies that are using Functional Programming, small and medium sized companies all over the world are turning to Functional Programming.In December 2017, Forrester research released a study titled "The New Dawn Of Functional Programming", which asserts "Functional Programming is beginning to hit the mainstage. I won't bombard you with unneeded technical Jargon, in fact I avoid it as much as possible, and when I do use new Functional Programming vocabulary, it's usually just to associate a name, to something you already learned with plain old spoken english. The most difficult to find and fix bugs, are related to code that allows Side Effects (talking to servers, state changes etc). . Currently he’s an independent software developer, consultant and trainer. If you're coding in a language that follows the declarative paradigm, you write code that specifies what you want to do, without saying how. Simple: data is changed by creating copies. By writing this book, I hope to help you develop the same skills and take your development in a new direction. But I hope it has explained functional code simply, along with some of the repeating patterns you will see over and over again, in functional and even non-functional code. One might argue that C programming is more declarative than Assembly programming, and that’s true. I'm teaching you Functional Programming for the frontend, because programming on the front end can be quite challenging and Functional Programming is a particularly good fit for the front end. "You'll learn how to create front end web applications in a Functional Programming Style, through hands on learning. Functional Programming is not a new concept, actually its roots go back o the 1930’s when lamda calculus was born, and has influenced many programming languages. “Don’t I have to be a Math genius to understand Functional Programming?” So it's helpful to have an overview of each of them. I'm teaching you Functional Programming for the frontend, because programming on the front end can be quite challenging Usually your just thinking about plain old data, and data transformations, using functions. Look here for some libraries you can include and play around with, to really master functional programming. HTML is declarative, so if you’ve been using HTML since 1995, you’ve actually being building declarative UIs since 20+ years. In fact, let's talk about all the language constructs you should throw out (goodbye, old friends): 1. You're able to better focus, on the problem you're solving, rather than the tools you're using to solve the problem.In Object Oriented Programming, you have to think about many different types of complicated, stateful objects that can be interacted with in different ways. Side effects are when your code interacts with (reads or writes to) external mutable state. The truth is, you don’t need to be a Math genius to understand Functional Programming. Functional code is generally used for more math-based problems like data analysis. Functional programming is declarative 7 ... write a book about functional programming in JavaScript. FP has been gaining a lot of momentum lately, so it’s the perfect time to learn about it. You'll learn how to create front end web applications in a Functional Programming Style, through hands on learning. External mutable state is literally anything outside the function that would change the data in your program. I don’t want to waste your time, so I’ll only be teaching you the most used parts of JavaScript and Functional Programming, so you’ll be fluent much faster. It has a rating of 4.7 given by 622 people thus also makes it one of the best rated course in Udemy. Functional code isn't necessarily the best, and neither is object orientated code. These then become the "units" or the computation power in your programs. No! You can write JavaScript in the Declarative paradigm or the Imperative paradigm. This course is meant for 2 types of students: There might be a couple videos the Experienced programmer could skip, but I suggest re-familiarizing yourself with the basics, as they are presented from a Functional Programming Perspective. what it was, what the benefits were, how to do it… etc. These functions are also often used because they don't change the underlying function (no state change) but operate on a copy of the array. A practical guide that teaches you Functional Programming With JavaScript. I don’t want to waste your time, so I’ll only be teaching you the most used parts of JavaScript and Functional Since I am assuming that readers have a good working knowledge of JavaScript, I will assume that readers know all the basics of the language such as variable scopes and hoisting. useful for Usually your just thinking about plain old data, and data transformations, using functions. Recursion is one tool you can use to iterate in functional programming.