Simpson - You Dont Know JS: ES6 & Beyond

by Kyle Simpson

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[LSI]

Kyle Simpson is a thorough pragmatist.

I cant think of higher praise than this. To me, these are two of themost important qualities that a software developer must have. Thatsright: must, not should. Kyles keen ability to tease apart layersof the JavaScript programming language and present them inunderstandable and meaningful portions is second to none.

ES6 & Beyond will be familiar to readers of the You Dont Know JSseries: they can expect to be deeply immersed in everything from theobvious, to the very subtlerevealing semantics that were eithertaken for granted or never even considered. Until now, the You DontKnow JS book series has covered material that has at least some degreeof familiarity to its readers. They have either seen or heard about thesubject matter; they may even have experience with it. This volumecovers material that only a very small portion of the JavaScriptdeveloper community has been exposed to: the evolutionary changes to thelanguage introduced in the ECMAScript 2015 Language Specification.

Over the last couple years, Ive witnessed Kyles tireless efforts tofamiliarize himself with this material to a level of expertise that isrivaled by only a handful of his professional peers. Thats quite afeat, considering that at the time of this writing, the languagespecification document hasnt been formally published! But what Ivesaid is true, and Ive read every word that Kyles written for thisbook. Ive followed every change, and each time, the content only getsbetter and provides yet a deeper level of understanding.

This book is about shaking up your sense of understanding by exposingyou to the new and unknown. The intention is to evolve your knowledge instep with your tools by bestowing you with new capabilities. It existsto give you the confidence to fully embrace the next major era ofJavaScript programming.

Rick Waldron (@rwaldron), Open Web Engineer atBocoup Ecma/TC39 Representative for jQuery