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Ask HN: Essential Javascript book for deep knowledge?

I'm looking for suggestions for an in-depth Javascript book. I worked with C++ for over 10 years feel like I have a deep understanding of the language, something I'd also like to achieve with Javascript. I've been using JS for the last couple of years and have built several projects using it (plus frameworks like Knockout.js) but I feel that depth is lacking.

Any suggestions on books, courses, online resources and anything else that could help me get there would be most appreciated!

( 7 comments | 4 points | on HN )
Re:Ask HN: Essential Javascript book for deep knowledge? by talles on Monday November 11, 2013 @11:22AM (#6712319)
The two most remembered js books are Crockford's "JavaScript: The Good Parts" and "Secrets of the JavaScript Ninja".

Most online schools like code.org, codecademy.com or codeschool.com have js courses.

Re:Ask HN: Essential Javascript book for deep knowledge? by peacemaker on Monday November 11, 2013 @11:36AM (#6712399)
Thanks for the book suggestions. I've found the courses on those websites are usually aimed beginners though.

Perhaps there really isn't a "deeper" part of JS the same way there is in C++? Maybe I'm asking for something that really isn't there.

What would someone who is considered an expert or "guru" in JS know? :)

Re:Ask HN: Essential Javascript book for deep knowledge? by amavisca on Monday November 11, 2013 @11:46AM (#6712457)
He recommended books in his response.

You should be reading JavaScript: The Good Parts.

Re:Ask HN: Essential Javascript book for deep knowledge? by peacemaker on Monday November 11, 2013 @11:50AM (#6712484)
JavaScript: The Good Parts was published 2008, a lot can change in 5 years. Still worth it today?
Re:Ask HN: Essential Javascript book for deep knowledge? by talles on Monday November 11, 2013 @12:53PM (#6712863)
Yes, it still a classic.
Re:Ask HN: Essential Javascript book for deep knowledge? by bdfh42 on Monday November 11, 2013 @11:53AM (#6712519)
Reginald Braithwaite's JavaScript Allongé free to read online see https://leanpub.com/javascript-allonge
Re:Ask HN: Essential Javascript book for deep knowledge? by dmamills on Tuesday November 12, 2013 @12:24PM (#6719175)
JS Allonge, JS:The Good Parts, Resig's Ninja book, Learning Javascript Design Patterns