Follow-up · depth 4
What trade-offs come with Prototype Chain and Inheritance?
What trade-offs come with Prototype Chain and Inheritance?
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Audio N/AQuick interview answer
Pros: Flexible delegation; memory-efficient shared methods on prototype. Cons: Prototype pollution if __proto__ mishandled; instanceof checks break across realms.
Detailed answer
Trade-offs for Prototype Chain and Inheritance: Pros: Flexible delegation; memory-efficient shared methods on prototype. Cons: Prototype pollution if __proto__ mishandled; instanceof checks break across realms. Decision rule: choose Prototype Chain and Inheritance when the benefits outweigh operational cost for your SLO. Parent context: Use Prototype Chain and Inheritance as the core idea. Example shape: Array instances inherit push/pop from Array.prototype; custom types extend via Object.create or class extends..
Full explanation
Strong answers state both sides and when you would pick an alternative. Pros: Flexible delegation; memory-efficient shared methods on prototype. Cons: Prototype pollution if __proto__ mishandled; instanceof checks break across realms.
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Parent context — Prototype Chain and Inheritance
Use Prototype Chain and Inheritance as the core idea. Example shape: Array instances inherit push/pop from Array.prototype; custom types extend via Object.create or class extends..
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