arrays in JavaScript are “base 0” meaning the first element has an index of 0 rather than 1. You can also see that myOtherArray can hold a diversity of types: numbers, strings, and booleans.

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 ...

and the last the first element. This operation will mutate the original array and return a reference to the same. JavaScript arrays come with some great methods that can simplify our development ...