JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

In previous lessons, we've learned about JavaScript's built-in Array methods and how they help us save work and write more efficient, readable code. In this lesson, we'll talk about one more: forEach( ...

Logging each element in an array. Modifying elements of the array outside the array scope. Creating an array of transformed values from another array. Mapping an array of objects to extract a specific ...