JavaScript is the little scripting language that could. Once used chiefly to add interactivity to web browser windows, JavaScript is now a primary building block of powerful and robust applications. In this practical book, new and experienced JavaScript developers will learn how to use this language to create APIs as well as web, mobile, and desktop applications.

Author and engineering leader Adam D. Scott covers technologies such as Node.js, GraphQL, React, React Native, and Electron. Ideal for developers who want to build full stack applications and ambitious web development beginners looking to bootstrap a startup, this book shows you how to create a single CRUD-style application that will work across several platforms.

• Explore GraphQL's simple process for querying data
• Learn about shared authentication for APIs, web apps, and native applications
• Build performant web applications with React and Styled Components
• Use React Native to write cross-platform applications for iOS and Android that compile to native code
• Learn how to write desktop applications with Electron

Adam D. Scott is an engineering leader, web developer, and educator based in Connecticut. He currently serves as the Web Development Lead at the Consumer Financial Protection Bureau, where he focuses on building open source web applications with his talented team. Additionally, he has worked at the crossroads of technology and education for over a decade, teaching and writing curriculum on a range of technical topics. He is the author of WordPress for Education (Packt, 2012), the Introduction to Modern Front-End Development video course (O'Reilly 2015), the Ethical Web Development report series (O'Reilly 2016-2017), and JavaScript Everywhere (O'Reilly 2020).