Array.prototype.map() is a method that iterates over an array and applies a function to each element, modifying it in some way. The result is then returned as a new array, leaving the original array ...

The Map Function is one of the many Methods existing on the JavaScript Array prototype. If you want to do a deep dive on prototypical inheritance, here's a great read by Kyle Simpson on how prototypes ...

Learn how JavaScript’s built-in functions like map() and filter(), as well as compose() and chain(), support a more elegant handling of JavaScript arrays.

Arrays are wonderful and a very particular type in JavaScript. There are many useful built-in properties and methods that will help you resolve any task which involves this kind of type. Today, we ...

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 ...