Q
What does Array.prototype.map() return?
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A
undefined
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B
A single accumulated value
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C
The original array, modified in place
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D
A new array with the callback's result for each element; the original array is unchanged
Correct Answer:
D. A new array with the callback's result for each element; the original array is unchanged
Explanation:
forEach returns undefined, and reduce returns a single accumulated value.
