5.3. Prototypal

In a purely prototypal pattern, we dispense with classes. We focus instead on the objects. Prototypal inheritance is conceptually simpler than classical inheritance: a new object can inherit the properties of an old object. This is perhaps unfamiliar, but it is really easy to understand. You start by making a useful object. You can then make many more objects that are like that one. The classification process of breaking an application down into a set of nested abstract classes can be completely avoided.

Let's start by using an object literal to make a useful object: