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JavaScript · Q7

Classes And Modules

Programming · JavaScript · question 7

Q7

When a class B can extend another class A, we say that

A.
A is the superclass and B is the subclass
Answer
B.
B is the superclass and A is the subclass
C.
Both A and B are the superclass
D.
Both A and B are the subclass

Answer: Option A

Solution

Answer: Option A
Solution:
Instances of B inherit all the instance methods of A. The class B can define its own instance methods, some of which may override methods of the same name defined by class A.