Array's

Question 1

What is Array.prototype.filter useful for?

Answer 1

To filter through an array and remove certain items that don’t pass the test implemented and create a new array of those items that pass

Question 2

What is Array.prototype.map useful for?

Answer 2

To create a new array off an array that runs a callback function on each item and returns the result

Question 3

What is Array.prototype.reduce useful for?

Answer 3

To return a single output value from a given array