Functional programming means using functions to the best effect for creating clean and maintainable software. This article illustrates the concepts behind the functional paradigm with practical ...

Learn what a pure function is, why it is important for functional programming, and how to write and use pure functions in different languages.

Functional programming is a style of coding that relies on pure functions, immutable data, and higher-order functions. But how can closures, a feature of some languages that allows functions to ...

Functional programming is a hot topic. The 2021 Developer Survey from Stack Overflow ranked functional languages among the most loved. Popular JavaScript libraries like React and Angular let you use ...

Functional programming with arrays Although JavaScript’s arrays are very capable out of the box, the functional paradigm improves the clarity and maintainability of array code.

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 ...

Like so much else in software development, functional programming’s future largely depends on the open source communities built around functional languages and concepts. For example, one barrier to ...

Moving from object-oriented to functional programming is a paradigm shift for developers, but these key principles explain why it's worth the effort.