Completely revised and updated, this best-selling introduction to programming in JavaScript focuses on writing real applications.JavaScript is at the heart of nearly every modern web application, from social apps like Twitter to browser-based gaming frameworks like Phaser and Babylon. While JavaScript is easy for beginners to pick up and play with, it is a flexible, complex language you can use to build full-scale applications.This highly anticipated and fully revised third edition of Eloquent JavaScript delves deep into the JavaScript language to show you how to write beautiful and effective code. It has been updated to reflect the current state of JavaScript and web browsers and includes brand new material on features such as class notation, arrow functions, iterators, asynchronous functions, template arrays, and block scope. A number of new exercises have also been added to test your skills and keep you on the right track.