Junior From PDF JavaScript JavaScript

What is prototype inheritance?

Short answer: In JavaScript, every object can inherit properties from another object called its prototype. This enables object reusability. Example: const animal = { eats: true };

Example code

const dog = Object.create(animal); Follow me on LinkedIn: dog.barks = true; console.log(dog.eats); // true (inherited)

Real-world example (ShopNest)

Prefer arrow functions for React/event callbacks in ShopNest so this is not accidentally rebound.

Say this in the interview

  1. Define — one clear sentence (the short answer above).
  2. Example — relate it to a project like ShopNest or your real work.
  3. Trade-off — when you would not use it.
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