Let’s say you need to display a collection that you received from the server. Usually it will come in the form of an array of objects: list of books, people, goods, etc. It’s a very common task for frontend. Actually this assignment is the main reason why we need frontend - we need to represent documents and collections in the most used way to aggregate them. Usually presentation of a collection came with it’s brother task - sorting it. And here comes the question - on which side should this…