Question 1

Is prototypal inheritance asked in interviews?

Accepted Answer

Yes. It is a common advanced JavaScript interview topic, especially for frontend and full-stack roles.

Question 2

What is a prototype in JavaScript?

Accepted Answer

A prototype is an object from which another object can inherit properties and methods.

Question 3

What is the prototype chain?

Accepted Answer

The prototype chain is the sequence of objects JavaScript searches when looking for properties or methods.

Question 4

Do JavaScript classes use prototypes?

Accepted Answer

Yes. JavaScript classes are built on top of the prototype system.

Is prototypal inheritance asked in interviews?

More FAQs in What Is Prototypal Inheritance in JavaScript?