FresherFresher (0–1 yrs)GoogleMicrosoft
Follow-up question
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Follow-up
How would you test Prototype Chain and Inheritance?
How would you test Prototype Chain and Inheritance?
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How to answer this follow-up
Use the parent topic “Prototype Chain and Inheritance” as context. Cover testing approach, production metrics, or scale impact as asked — then refine with AI Mentor below.
Parent context — Prototype Chain and Inheritance
Common mistakes: Confusing __proto__ with prototype property on functions; shadowing constructor incorrectly. Best practices: Prefer class extends for readability; use Object.hasOwn for own props vs inherited.
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