Array

Question 1

What is Array.prototype.filter useful for?

Answer 1

Creating a new array by filtering for elements that meet specified criteria.

Question 2

What is Array.prototype.map useful for?

Answer 2

Altering the elements in an array in the same way across the board and returning the result

Question 3

What is Array.prototype.reduce useful for?

Answer 3

Combining all values of an array into a single returned value