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

Calculating a sum can be as simple as iterating over an array and adding each of the elements together. Implement the function named sumNumbers that takes an array of numbers as an argument and ...

This exercise allows you to practice and apply the concepts and techniques taught in class. Array manipulation is a common task in programming. Whether you are calculating a total for a shopping cart, ...