Confusing JavaScript statement: “var x = new this();”

Question

I thought I understood the concept of the JavaScript prototype object, as well as [[proto]] until I saw a few posts regarding class inheritance.

Firstly, \"JavaScript OO

Answer 1

"this" means the context of the function currently running.

The code you are posting surely appears in a function that act as a method for an object. So the object is the context of the function.

"new this()" will return a clone of the current object after running its constructor function with the passed arguments.