With the great prevalence of web applications and companies transforming from traditional desktop-based systems to web-based systems, there are now a multitude of opportunities on the World Wide Web. There are various programming languages for server-side scripting (SSR), client-side scripting, presentation logic (HTML and CSS), and query languages. JavaScript is one of the most popular languages on the web, and it encompasses several frameworks that assist in its development, compilation, and production. React is one of the most popular JavaScript frameworks, and it is developed and distributed by Facebook. While React helps in building highly sophisticated, interactive user interfaces, Redux, on the other hand, is getting very popular in the frontend community for state management. In this chapter, we will get you familiarized with React, the concept of functional programming, the major components of Redux, and how to get started with it.

We will discuss the following topics in this chapter:

• The need for Redux 
• The concept of functional programming
• The components of Redux
• Getting started with Redux
• Setting up the project