Beginning Functional JavaScript: Uncover the Concepts of Functional Programming with EcmaScript 8, Second Edition

  • 3h
  • Anto Aravinth, Srikanth Machiraju
  • Apress
  • 2018

Understand functional programming concepts and the functional nature of the JavaScript language. Starting with an introduction to functional programming concepts, you will learn the key differences between imperative and functional programming. Diving straight into JavaScript functions, you will learn to write them with ES8. Followed by this you will move to higher order functions and learn how 'Function as Data' opens up a world of possibilities. You will then build higher order functions with closures. Arrays will then be introduced, followed by a set of APIs you can use with them. You will learn how to transform one function to another using currying and partial application. The compose function will be discussed in detail, followed by functors and monads. After having an in-depth look at applicative functors, you will learn the new features offered in ES8. The concluding chapters of Beginning Functional JavaScript will show you how to use a functional toolkit to build a small library that allows you to develop web applications, followed by tips on testing your functional code.

What You Will Learn

  • Discover functional programming concepts such as string padding and async functions
  • Identify how functions are treated in JavaScript
  • Create a functional library that mimics Underscore.JS
  • Deep dive into ES8 functional features such as spread operators and generators
  • Create a library that works like the react-redux pattern by following the functional paradigm

Who This Book Is For

Novice JavaScript developers.

About the Authors

Anto Aravinth has been in the software industry for more than four years. He has developed many systems that are written in JavaScript and JavaWorld. Anto has knowledge of the fundamentals of JavaScript and how it works and has trained many people. Anto is an open source contributor to the React, Groovy, and Selenium frameworks and is co-author of React version 15.

Srikanth Machiraju has over 10 years of experience as a developer, architect, technical trainer and community speaker. He is currently working as Senior Consultant with Microsoft Hyderabad and leading a team of 100 developers and quality analysts together developing an advanced cloud-based platform for a tech giant in oil industry. With an aim to be an enterprise architect who can design hyper-scale modern applications with intelligence he constantly learns and shares modern application development tactics using cutting-edge platforms and technologies. Prior to Microsoft he was worked with BrainScale as Corporate trainer & Senior Technical Analyst on application design, development, migrations using Azure. He is a tech savvy developer and passionate about embracing new technologies and sharing his learning via blog or community engagements. He has also authored “Learned Windows Server Containers”, “Developing Bots with Microsoft Bot framework”, blogs run his own YouTube channel called “Tech Talk with Sriks” and active on LinkedIn.

In this Book

  • Functional Programming in Simple Terms
  • Fundamentals of JavaScript Functions
  • Higher Order Functions
  • Closures and Higher Order Functions
  • Being Functional on Arrays
  • Currying and Partial Application
  • Composition and Pipelines
  • Fun with Functors
  • Monads in Depth
  • Pause, Resume, and Async with Generators
  • Building a React-Like Library
  • Testing and Closing Thoughts