Two types of functions.
Constructors are a great way to store properties of an Object. They will be created every time I make an instance of Object. (Make sure to capitalize as I create an Object constructor!)
For functions of objects, store them in a prototype. Prototypes are only created once and referenced every time you create an instance of an Object. There are two ways to create prototypes: either line by line or by mixing the prototype with an object literal.
Instances of Object
Call an instance of an object as follows: