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.

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, ...

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, ...

JavaScript tutorial: Higher-order functions. how-to. Apr 18, 2019 4 mins. ... If you have ever replaced a for loop with an array method, you’ve used higher-order functions.