Exercise 1: The Sum of an Array The Array Object in JavaScript has a built-in reduce method that iterates over each value in an array and returns a value. It is very useful when calculating sums.

Each array contains unique ids and is sorted in ascending order by id. Merge the two arrays into one array that is sorted in ascending order by id, respecting the following conditions: Only ids that ...

Arrays are a popular data structure used in programming for storing multiple values of the same data type. Often times, when working with arrays, we may want to find the sum of all the elements in the ...