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
none of the mentioned
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).