Book Image

React Key Concepts

By : Maximilian Schwarzmüller
Book Image

React Key Concepts

By: Maximilian Schwarzmüller

Overview of this book

As the most popular JavaScript library for building modern, interactive user interfaces, React is an in-demand framework that’ll bring real value to your career or next project. But like any technology, learning React can be tricky, and finding the right teacher can make things a whole lot easier. Maximilian Schwarzmüller is a bestselling instructor who has helped over two million students worldwide learn how to code, and his latest React video course (React — The Complete Guide) has over six hundred thousand students on Udemy. Max has written this quick-start reference to help you get to grips with the world of React programming. Simple explanations, relevant examples, and a clear, concise approach make this fast-paced guide the ideal resource for busy developers. This book distills the core concepts of React and draws together its key features with neat summaries, thus perfectly complementing other in-depth teaching resources. So, whether you've just finished Max’s React video course and are looking for a handy reference tool, or you've been using a variety of other learning materials and now need a single study guide to bring everything together, this is the ideal companion to support you through your next React projects. Plus, it's fully up to date for React 18, so you can be sure you’re ready to go with the latest version.
Table of Contents (16 chapters)

From Static to Dynamic Routes

Thus far, all examples have had two routes: / for the Dashboard component and /orders for the Orders component. But you can, of course, add as many routes as needed. If your website consists of 20 different pages, you can (and should) add 20 route definitions (i.e., 20 Route components) to your App component.

On most websites, however, you will also have some routes that can't be defined manually—because not all routes are known in advance.

Consider the example from before, enriched with additional components and some realistic dummy data:

Figure 12.8: A list of order items


You can find the code for this example on GitHub at In the code, you'll notice that many new components and style files were added. The code does not use any new features, though. It's just used to display a more realistic user interface and output some dummy data.

In the preceding screenshot,...