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?