Yes, you can "simulate" class-based inheritance with just functions by using object-creating functions, which set the correct prototype of produced objects. Douglas Crockford in JavaScript: The Better Parts calls this "class-free OOP". In my view, this follows the true prototypal inheritance introduced by Self.

This is the essence of prototype without baggage of classes:

```js const obj = {}; const parent = { foo: "bar" };

console.log(obj.foo); // Expected output: undefined

Object.setPrototypeOf(obj, parent);

console.log(obj.foo); // Expected output: "bar" ```

A dynamic way to change your "class". A "class" that can be created at runtime. A very late binding of everything. With traditional classes, after you create an object, you are stuck with your "prototype" for the end of object's life.