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

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 ...

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 ...

Functional programming has been around for the last 60 years, but so far it’s always been a niche phenomenon. Although game-changers like Google rely on its key concepts, the average programmer ...

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.

Google offers JavaScript programming tools In a new step to make the Web a more powerful foundation for programs, Google is releasing Closure Tools that it says produce faster, better code.

Many other languages can be used for functional programming tasks, however, such as Java, JavaScript, Ruby, Scala, Python and Apple’s recently launched Swift.

JavaScript remains the most used programming language among developers, but Python is the most studied – and Go the one that most coders want to switch to.