To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the

To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the Correct Answer isPrototypeOf() method

To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the isPrototype() method. To find out if p is the prototype of o write p.isPrototypeOf(o).

Related Questions

How is throwaway prototype different from evolutionary prototype ?
What is the prototype of the default constructor of this Java class?
public class prototype { }