This book assumes that you have familiarity with basic web-based technologies, working knowledge of programming constructs in JavaScript, and a general idea of how React applications work. As you go through the book, you will uncover how these concepts come together when building fully-fledged web applications with React 16.13.1, Node.js 13.12.0, Express 4.17.1, and MongoDB 4.2.5.

In order to maximize your learning experience while reading through the chapters, it is recommended that you run the associated application code in parallel, maintaining the specified package versions and using the relevant instructions provided in each chapter.

If you are using the digital version of this book, we advise you to type the code yourself or access the code via the GitHub repository (link available in the next section). Doing so will help you avoid any potential errors related to the copying and pasting of code.