a) maps the elements of another array into itself
b) passes each element of the array and returns the necessary mapped elements
c) passes each element of the array on which it is invoked to the function you specify, and returns an array containing the values returned by that function
d) pass the elements of the array into another array

Answer: c
Explanation: map() is a predefined function in javascript used for mapping the array elements to be used for some other purpose. The map() method passes each element of the array on which it is invoked to the function you specify, and returns an array containing the values returned by that function.