One way of doing this in JavaScript is called memoization, which is a functional programming technique used to deal with costly pure functions.

Figure 1. Functional JavaScript is available as an ebook (without DRM) from O'Reilly or as a paperback. Anyone who has followed my missives on programming have noted the varied exposure to ...

JavaScript is a flexible language, allowing for all sorts of styles and programming paradigms. Although this breadth sometimes comes at a cost to readability or consistency across a code base, it ...

The object-oriented paradigm popularized by languages including Java and C++ has slowly given way to a functional programming approach that is advocated by popular Python libraries and JavaScript ...

Javascript has multiple libraries implementing functional paradigms. Rust, a relative newcomer in the systems programming world, boasts many functional features.

JavaScript is now the world's most popular programming language, even though it started off as a side-kick to Java.

Microsoft: Learn JavaScript programming language for free with our new course Programmers keen on building browser applications can take advantage of Microsoft's free JavaScript video course.

Purely functional programming is a brilliant idea with a misleading name. When people talk about “purely functional programming”, they mean Haskell or something like Haskell. But that’s not ...

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 ...

Only three languages from the most-used top ten were in the most-loved list; Python (#3), JavaScript (#7), and C# (#8). For the third year running, that list was topped by Rust, the new systems ...