__proto__ VS. prototype in JavaScript

Question

This figure again shows that every object has a prototype. Constructor function Foo also has its own __proto__ which is Function.prototype, a

Answer 1

A nice way to think of it is...

prototype is used by constructor() functions. It should've really been called something like, "prototypeToInstall", since that's what it is.

and __proto__ is that "installed prototype" on an object (that was created/installed upon the object from said constructor() function)