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)


Thus far, all the explored navigation options (links and programmatic navigation) forward a user to a specific page.

In most cases, that's the intended behavior. But in some cases, the goal is to redirect a user instead of forwarding them.

The difference is subtle but important. When a user is forwarded, they can use the browser's navigation buttons (Back and Forward) to go back to the previous page or forward to the page they came from. For redirects, that's not possible. Whenever a user is redirected to a specific page (rather than forwarded), they can't use the Back button to return to the previous page.

Redirecting users can, for example, be useful for ensuring that users can't go back to a login page after authenticating successfully.

When using React Router, the default behavior is to forward users. But you can easily switch to redirecting by adding the special replace prop to the Link (or NavLink) components, as follows: