He honed his experience during his five years at Yahoo!, where he was principal frontend engineer for the Yahoo! home page. Zakas has been working on web applications since 2000, focusing on frontend development, and is known for writing and speaking about frontend best practices. Whether you're a web developer or a Node.js developer, you'll find this book indispensable on your journey from ECMAScript 5 to ECMAScript 6. How modules change the way you organize code.How to improve asynchronous programming with promises.Ways to store data with sets, maps, and more.How arrow functions differ from regular functions.What makes iterators and generators useful.How ECMAScript 6 class syntax relates to more familiar JavaScript concepts.You will need to have a good basic understanding of the language to make use of this book. This book is not for beginners who have never written JavaScript. In particular, this book is aimed at intermediate-to-advanced JavaScript developers (both browser and Node.js environments) who want to learn about the future of the language. While a deep understanding of the language isn't necessary to use this book, it is helpful in understanding the differences between ECMAScript 5 and 6. This book is intended as a guide for those who are already familiar with JavaScript and ECMAScript 5.
It is not specific to any JavaScript environment, so it is equally useful to web developers as it is Node.js developers. This book is a guide for the transition between ECMAScript 5 and 6.
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