Senior JavaScript

Test your Senior-level Programming Languages Javascript skills in Programming Software Development. This timed assessment evaluates your expertise in Information Technology.

Duration: 5 minutes

•40 questions

Time Remaining: 05:00

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40 questions remaining

Question 1 of 40Assessment

When using the 'Proxy' API, which trap is triggered when calling 'Object.getOwnPropertyDescriptor(proxy, 'prop')'?

A. The 'get' trap, because the descriptor is technically a value retrieved from the object.

B. The 'defineProperty' trap, since retrieving a descriptor is the first step in modification.

C. The 'ownKeys' trap, which returns an array of all available property names for the proxy.

D. The 'getOwnPropertyDescriptor' trap, allowing custom logic for property attribute definition.

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