Can JavaScript constructor return function and keep inheritance?

Question

function F() {
    return function() {
        return {};
    }
}

var f = new F();
f instanceof F; // returns false

As far as I understand, if I w

Answer 1

You could of course make all functions appear to be instanceof F by setting F.prototype = Function.prototype;.

Unfortunately it looks as if ECMAScript doesn't allow you to create a function subclass.

You can however do it in Gecko using the deprecated __proto__ property:

function F() {
    function f() {
        return {};
    }
    f.__proto__ = F.prototype;
    return f;
 }
 F.prototype.__proto__ = F.__proto__;