Understanding Ecmascript 6 ─ The Definitive Guide for Javascript Developers

ECMAScript 6 represents the biggest change to the core of JavaScript in the history of the language. Not all JavaScript environments support ECMAScript 6 yet, but you can get ahead of the game by learning what's coming and which features are available already.

Understanding ECMAScript 6 is a complete guide to the new object types, syntax, and other exciting capabilities ECMAScript 6 brings to JavaScript, written by expert developer Nicholas C. Zakas. Every chapter is packed with example code that works in any JavaScript environment, which you can run to see new features in action. You'll learn:

• All of the changes to JavaScript since ECMAScript 5
• How ECMAScript 6 class syntax relates to more familiar JavaScript concepts
• Why iterators and generators are useful
• How arrow functions differ from regular functions
• Additional options for storing data with sets, maps, and more
• The power of inheriting from native types
• Why people are excited about promises for asynchronous programming
• How modules will change the way you organize code

Covers ECMAScript 6 and 7(2016)

Nicholas C. Zakas has been a web applications software engineer for over 16 years and is known for writing on and speaking about the latest in JavaScript best practices. Zakas honed his experience during his five years at Yahoo!, where he was principal front-end engineer for the Yahoo! home page. He is the author of several books, including The Principles of Object-Oriented JavaScript (No Starch Press, 2014), Maintainable JavaScript (O'Reilly Media, 2012) and Professional JavaScript for Web Developers (Wrox, 2012).