When comparing Speaking JavaScript vs Hackr.io, the Slant community recommends Hackr.io for most people. In the question“What are the best resources to learn JavaScript?” Hackr.io is ranked 11th while Speaking JavaScript is ranked 21st. The most important reason people chose Hackr.io is:
Instead of getting a recommendation from a single dev, you get recommendation from the entire programming community.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Well written and very thorough
A mostly complete reference to the language, its history, its powers and its weaknesses.
Pro Community trust
Instead of getting a recommendation from a single dev, you get recommendation from the entire programming community.
Pro Recommendation for every programming language/framework/library
You can find Python as well as Jenkins.
Pro Nice filters
Free, Video, Book, Beginner, Advanced, etc.
Cons
Con Assumes some programming knowledge
This book is not for beginners. It's targeted towards people who already have programming experience, though not necessarily in JavaScript.