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Explain prototypal inheritance.

Q: Explain prototypal inheritance.

**Core concept (TL;DR).** In JavaScript objects inherit directly from other **objects**. Every object has a hidden link ( [[Prototype]] , exposed as __proto__ ) to another object. When you read a property that an object doesn't own, the engine walks **up this prototype chain** until it finds the property or reaches null . Property lookup walks up the prototype chain dog (in

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A fundamental concept for understanding how objects inherit properties and methods in JavaScript.

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JSShared methods via the prototype chain

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