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An easy-to-use guide to the most popular JavaScript library in the world In ReactJS Foundations: Building User Interfaces with ReactJS - An Approachable Guide, author and full-stack developer Chris Minnick walks readers through foundational programming concepts using the explosively popular front-end tool known as ReactJS. The book teaches you how to understand React and how to immediately begin building applications with it. In the book, you'll learn the technical terminology used by ReactJS developers and work with relevant and modern examples perfect for React and programming newbies and veterans alike. It assumes no prior software engineering knowledge or experience, explaining and clarifying terms of art as they're introduced. Perfect for readers new to JavaScript and front-end development, including those who are coming to programming for the first time, ReactJS Foundations is a fantastic resource for recent bootcamp grads, self-taught programmers making a career switch, and developers migrating from WordPress, Drupal, or other programming languages. It's also a must-read for veteran JavaScript developers looking for a skimmable and accessible React guide to get them up to speed quickly. This handy guide includes: Guides to understanding the JavaScript features used by React A step-by-step tutorial in writing your first React application How to write JSX code How to write class and function components How to use advanced features of React version 17+, including hooks, error boundaries, refs, and portals Wrox Beginning guides are crafted to make learning programming languages and technologies easier than you think, providing a structured, tutorial format that guides you through all the techniques involved.