Book Image

Mastering JavaScript Functional Programming

By : Federico Kereki
Book Image

Mastering JavaScript Functional Programming

By: Federico Kereki

Overview of this book

Functional programming is a programming paradigm for developing software using functions. Learning to use functional programming is a good way to write more concise code, with greater concurrency and performance. The JavaScript language is particularly suited to functional programming. This book provides comprehensive coverage of the major topics in functional programming with JavaScript to produce shorter, clearer, and testable programs. You’ll delve into functional programming; including writing and testing pure functions, reducing side-effects, and other features to make your applications functional in nature. Specifically, we’ll explore techniques to simplify coding, apply recursion for loopless coding, learn ways to achieve immutability, implement design patterns, and work with data types. By the end of this book, you’ll have developed the JavaScript skills you need to program functional applications with confidence.
Table of Contents (22 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback
Connecting Functions - Pipelining and Composition
Answers to Questions

Chapter 1. Becoming Functional – Several Questions

–Functional Programming (or FP, as it's usually shortened) has been around since the earliest times and is going through a sort of revival, due to its increased use with several frameworks and libraries, and most particularly in JavaScript. In this chapter, we shall:

  • Introduce some concepts of FP, to give a small taste of what it means
  • Show benefits (and problems) implied by the usage of FP
  • Start thinking about why JavaScript (JS) can be considered to be an appropriate language for FP
  • Go over the language features and tools that you should be aware of, to fully take advantage of everything in this book

So, let's get started by asking ourselves What is FP? and start working on that topic.