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. ... Declare a variable sum and ...

Because I guess it is possible in this case? I know how to convert an array to an object using array.reduce but not such a transformation as below. So, I don't know how to convert an object with ...

Arrays are wonderful and a very particular type in JavaScript. There are many useful built-in properties and methods that will help you resolve any task which involves this kind of type. Today, we ...