When comparing AngularJS - O'Reilly book vs ng-book, the Slant community recommends AngularJS - O'Reilly book for most people. In the question“What are the best resources to learn AngularJS?” AngularJS - O'Reilly book is ranked 3rd while ng-book is ranked 25th. The most important reason people chose AngularJS - O'Reilly book is:
You start out with key features, then through building an app learn layout, testing, compiling, and debugging.
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Pros
Pro Thorough overview of AngularJS
You start out with key features, then through building an app learn layout, testing, compiling, and debugging.
Pro Written by people who worked on AngularJS
It is written by two engineers who worked on AngularJS at Google.
Pro In-depth explanations of advanced concepts
The goal of this book is to help you master AngularJS. It goes into a lot of depth on various concepts that are generally only touched on in other learning resources.
Cons
Con Many errors throughout the book
A lot of the code examples given in the book don't run because of errors. This can make it confusing and difficult to follow, especially for beginners.
Con Use of concepts not previously introduced
This book frequently references concepts that have not yet been introduced ("As you recall"), which can be quite confusing and hard to follow.