What is Polymorphism in JavaScript? | JavaScript OOP Interview Question Explained 💻🔥

🤔 Confused about the concept of Polymorphism in JavaScript?

In this short video, we’ll break down one of the most frequently asked object-oriented programming (OOP) interview questions in JavaScript:
👉 What is Polymorphism in JavaScript?

You’ll learn:
✅ What polymorphism actually means in the context of JS
✅ How it's implemented using function overloading and inheritance
✅ Real-world examples to understand it better
✅ Why interviewers ask this question to test your conceptual clarity

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📌 What is Polymorphism?

Polymorphism in JavaScript means the ability of different objects to respond to the same method in different ways. It comes from the Greek words “poly” (many) and “morph” (form). In JS, it’s mostly seen when using classes, prototypes, and method overriding.

This is a must-know concept for frontend and full-stack interviews, especially in companies that care about OOP and clean architecture.

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🧠 Whether you're preparing for frontend interviews or brushing up on core JavaScript concepts, this is an essential one to master.

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