Why use prototype on a constructor function property when you can set it via this.__proto__?

Question

JavaScript

Hello, what is the difference between:

function Obj ( ) {
this.__proto__ = new(some object);
}

and

function Obj ( ) {
Obj.prototype = { __proto__ : (any object).prototype };
}
???

Answer 1

This question has already been asked so many times, it seems you have not tried to google.
What is the difference between __proto__ and prototype