Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table ...

In this lab, you will explore the fundamentals of arrays in JavaScript, including how to declare arrays, access and manipulate their elements using methods, iterate through arrays, and destructure ...

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 ...

Normally, resetting the array and the array itself would be decoupled — that is, independent. But because of the nature of this lab, we need to be a bit prescriptive and give you some initial values ...