Understanding ECMAScript 6

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1. rl3May 2019
   >... but it seems that many are outdated (without ES6), for instance: Professional JavaScript for Web Developers, which has great reviews, but no ES6.

   Professional JavaScript for Web Developers was the text I used to deep dive on the language in 2012, and it was fantastic. The chapters that dealt with prototype inheritance, scope chains, and execution context provided for a very solid command of the language at the time. Nicholas C. Zakas is an excellent author.

   Understanding ECMAScript 6: The Definitive Guide for JavaScript Developers 1st Edition was also written by Zakas, although I have not read it. Unfortunately since it was released in 2016, it likely lacks some of the later revisions to ECMAScript that have been ratified since.

   Honorable mention includes Secrets of the JavaScript Ninja, but it's also an old book. Despite its campy name, it provided some of the best visual explanations of advanced JavaScript topics I've ever seen. Granted, I just read a few of the chapters.

   I recently had to skill up and take the leap from my pre-ES6 knowledge into the bleeding edge, and the way I did that was to just read MDN (Mozilla Developer Network) pages where necessary, maybe the occasional blog post assuming it seemed of sufficient caliber.

   Of course, the hardcore way to deep dive is simply read the latest ECMA spec directly, but I wouldn't recommend that route for where you're at right now unless you're really curious about a particular mechanic.

   Based on a cursory search and taking a gander at its index, Eloquent JavaScript, 3rd Edition: A Modern Introduction to Programming (December 4, 2018) looks pretty good.

   Some other commenters are saying the "learn as you go" approach is sufficient, and it certainly is initially, but at some point I highly recommend deep diving into how more advanced features of the language work so that you have a solid command of the language.

   Either way, best of luck and happy learning!

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2. gcpFeb 2017
   I like "Understanding ECMAScript 6" from N. Zakas together with his "Principles of Object Oriented JavaScript" book.
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