The prototype is an object that is associated with every functions and objects
and modifiable and object's prototype property is not visible.
The prototype object is special type of enumerable object to which additional
properties can be attached to it which will be shared across all the instances
of it's constructor function.
Every object which is created using literal syntax or constructor syntax with
the new keyword, includes __proto__ property that points to prototype object
of a function that created this object.
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