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

1.	To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the ___________?
A.	isPrototypeOf() method
B.	equals() method
C.	=== operator
D.	==opertor
Answer» D. ==opertor