Start building beautiful web applications in JavaScript with the bestselling introduction to the language, updated with new features, fresh exercises, and fun projects. Simple for beginners to pick up, JavaScript is a flexible, lightweight language for building full-scale applications for the modern web. This much-anticipated fourth edition of Eloquent JavaScript shows you how to write beautiful, effective JavaScript code. It has been updated to reflect the current state of both JavaScript and web browsers, discussing new features like optional chaining, nullish coalescing, class properties, private fields, and newly standardized methods. Chapters on asynchronous programming, objects, and modules have been overhauled to reflect modern JavaScript style and improve readability. This bestselling book teaches through extensive examples and immerses you in code from the start, while exercises and full-chapter projects give you hands-on experience with writing your own programs. As you build projects, like a website and a pixel art editor, you'll: Understand the essential elements of JS programming, including syntax, control, and data
Organize and clarify your code with object-oriented and functional programming techniques
Use the DOM effectively to interact with browsers
Script the browser and make basic web applications
Harness Node.js to build servers and utilities

Isn't it time you became fluent in the language of the web?
Start building beautiful web applications in JavaScript with the bestselling introduction to the language, updated with new features, fresh exercises, and fun projects. JavaScript, the programming language that allows us to add programs to web pages, lies at the heart of almost every modern web application, from social media sites to browser-based games. Just about every device can run it, making it a great choice for writing universally useful code. The fourth edition of this classic textbook takes you on a journey through the language of the web, starting from its basic elements and building up to engaging, complete programs. The author's personal experiences from years of maintaining popular open source projects enliven the text with practical insights and examples. This edition of Eloquent JavaScript updates the book to describe the 2024 version of JavaScript, and shifts the attention given to some topics to better reflect current development practices. The text takes a practical approach to teaching, rooting