Implement the function named sumNumbers that takes an array of numbers as an argument, and returns the sum of all of the numbers in the array. Later in the course we will learn how to do this by using ...

In general, handling array functions like we’ve seen here, using JavaScript’s built-in functions like map() and filter(), is an excellent application of the power of functional programming.

Implement the function named sumNumbers that takes an array of numbers as an argument, and returns the sum of all of the numbers in the array. Later in the course we will learn how to do this by using ...