JS: Reflect.getPrototypeOf
(new in JS: ECMAScript 2015)
Reflect.getPrototypeOf(obj)-
Return the parent object. Return
nullif no parent.Throw a TypeError exception if obj is not a object.
Reflect.getPrototypeOf({}) === Object.prototype
Here is a example of no parent.
Reflect.getPrototypeOf(Object.create(null)) === null