When comparing Learn Angular JS in 14 days vs AngularJS - O'Reilly 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 Learn Angular JS in 14 days is ranked 22nd. 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 Practical tutorials
The lessons are practical, you don't just learn a new concept but you learn how to implement your learning and build cool stuff. For example a Todo app, built in filters, structuring your angular JS app, etc.
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.
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.