Functional programming is sometimes defined in opposition ... Consider Listing 1, which takes advantage of the JavaScript map() function to uppercase the letters in an array.

Ideas just don’t map 1:1 between imperative programming and functional programming. That single thing you found “easy” in an imperative language might map to three different “easy ...

It assumes the reader has experience programming in JavaScript. Functions as a map between two sets A functional programmer views the nature of a function in a similar way as does a mathematician: ...

In general, handling array functions like we’ve seen here, using JavaScript’s built-in functions like map() and filter(), is an excellent application of the power of functional programming.

(The XKCD comic’s alt-text reads “Functional programming combines the flexibility and power of abstract mathematics with the intuitive clarity of abstract mathematics”.) ...

When developing applications, programmers must follow certain rules linked to the programming languages implicated in the developing process. These rules are not only syntactical or semantic but also ...

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.