Professional JavaScript

Chapter 10

Functional Programming with JavaScript

Learning Objectives

By the end of this chapter, you will be able to:

• Use pure functions in Redux reducers and selectors
• Solve advanced function testing situations
• Apply currying, partial application, and closures in modern JavaScript applications
• Implement a compose function for use in a backend for frontend (BFF) built with micro
• Apply JavaScript built-ins to write in an immutable style specifically in a Redux application
• Implement a query and a mutation in the context of a BFF using GraphQL
• Select from three approaches to handle side effects in a React/Redux application

In this chapter, you will learn about the concepts of functional programming, how to apply them in JavaScript, and identify ...