pECMAScript 6 represents the biggest update to the core of JavaScript in the history of the language. iIn Understanding ECMAScript 6i, expert developer Nicholas C. Zakas provides a complete guide to the object types, syntax, and other exciting changes that ECMAScript 6 brings to JavaScript. Every chapter is packed with example code that works in any JavaScript environment so you'll be able to see new features in action. You'll learn pulliHow ECMAScript 6 class syntax relates to more familiar JavaScript conceptsliliWhat makes iterators and generators usefulliliHow arrow functions differ from regular functionsliliWays to store data with sets, maps, and moreliliThe power of inheritanceliliHow to improve asynchronous programming with promisesliliHow modules change the way you organize codeliulWhether you're a web developer or a Node.js developer, you'll find iUnderstanding ECMAScript 6i indispensable on your journey from ECMAScript 5 to ECMAScript 6.