About This BookGrasp the latest features of ECMAScript and the best way to use it in production codeLearn newly added native APIs to JS Engine and perform tasks efficiently with a cleaner code baseUnderstand the more complex sides of JavaScript such as the inheritance model, low-level memory management, multithreaded environments, and web workersWho This Book Is ForThis book is for web developers who have some basic programming knowledge and want to learn to write cleaner code with the power of ECMAScript.