JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

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 ...

Most of the discussions we have in the software industry today revolve around developer productivity: How do we make it possible for fewer developers to produce more software in less time? Reducing ...

Higher-order functions let you treat functions like any other value — passing them around, returning them, and composing them for cleaner, more reusable code. They power everyday tools like map, ...

JavaScript is a text-based programming language that's commonly used to make webpages more dynamic and interactive for visitors. JavaScript offers functionality for features such as image carousels, ...

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.