Mastering JavaScript Functional Programming: In-depth guide for writing robust and maintainable JavaScript code in ES8 and beyond

I enjoyed the practical approach, and the decision as to not use libraries which are common source of confusion and rather fragmented in the JS ecosystem (e.g you use ramda but you need sanctuary or folktale, etc). As someone who has been learning Clojure and Haskell over the past year and wishing I could just straight up use those at work, this book provided a sign of relief in showing how to get some of their features in Javascript. It goes a long way into functional thinking and its explanation of recursion it’s one of the most enjoyable I’ve seen.

Explanations are weak due to the level/proficiency of English. It's like a 3.5/5 english speaker trying to break down complex information for you. The examples (just the code part) are good.

i would recommend it to those who want to learn FP in javascript

I'm a professional developer with more than 15 years of experience. So I'm not really a kid excited by a "cool" line of code or a new technology that will get old in the next few years or so. This book is about a particular approach to programming which is why I like it.

Great book

Did like that the author tried to make a structured presentation of the FP domain. Did not like the following: 1. The examples can be improved a lot- I found lots of examples on Medium, much better explained than in this book; 2. there are lot of typos, especially in the last part of the book, leaving the impression that it was rushed; 3. There are a couple of errors which are not typos but logic errors, especially in the last chapter, which will make you think twice; 4. In my opinion you have to read a lot outside the book to be able to dig the info, as is not trivial. The author is right about the approach, however he should add lots of explanations in there.