Those are examples of higher-order functions that accept functions as arguments, but plenty of them return functions as well. If you’ve ever seen a function call that has two sets of parentheses ...

Functions that operate on other functions, either by taking them as arguments or by returning them, are called higher-order functions. Let's take a quick break from the code and talk about a few very ...

Higher-order functions are built in methods in JavaScript. They are a specific subset of built in methods that take a function as an argument. A higher-order function is a built in method in ...