Alex asked:

is this still relevant with ES6?

Pleun It most definitely is.
Marc Udoff Less so but yes. You are better off learning RxJs or redux to see why functional can be great and then coming to this book for the how to do it.
Image for Functional JavaScript
by Michael Fogus (Goodreads Author)
Rate this book
Clear rating

About Goodreads Q&A

Ask and answer questions about books!

You can pose questions to the Goodreads community with Reader Q&A, or ask your favorite author a question with Ask the Author.

See Featured Authors Answering Questions

Learn more