In the previous lesson, we have learnt some useful Higher Order Functions to manipulate arrays & objects. Now, let's put them to use in this lab. The splice() method adds/removes items to/from an ...

In JavaScript, functions are first-class citiziens, which means, we can pass functions around like values. Higher Order Functions are functions that pass a function as an argument or return a function ...

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 ...