Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

book_lengths = Enum.map(books, &String.length/1) The map function is pretty common and widely used. In JavaScript , where we use it to run a given function over a collection.

JavaScript arrays are an incredibly flexible way to model collections using techniques from functional programming. This article introduces you to using tools like forEach() , map() , and reduce ...

Facebook went with a novel programming methodology, called functional programming, to update the News Feed for its Apple iOS client, which helped considerably in tuning and debugging the app.