Learn how to use JavaScript’s map() method to transform arrays like a pro—in just 100 seconds. We’ll show you how it works, where it shines, and give you examples that make it click ...

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.

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 ...