a) Reverses and stores in the same array
b) Reverses and concatenates the elements of the array
c) Reverses
d) Stores the elements of an array in normal order
Answer: a
Explanation: The array.join() method is an inbuilt function in JavaScript which is used to join the elements of an array into a string. The reverse() followed by a join() will reverse the respective array and will store the reversed array in the memory.
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