If we have an object r and want to know if it is a Range object, we can write: Options: A . &nbspr typeof Range B . &nbspr is Range C . &nbspr equals Range D . &nbspr instanceof Range

If we have an object r and want to know if it is a Range object, we can write:

Question

If we have an object r and want to know if it is a Range object, we can write:

Options:

A . r typeof Range

B . r is Range

C . r equals Range

D . r instanceof Range

Answer: Option D

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