It's the function that takes an array as the first parameter, and takes n number of arrays as the second parameter, and then compares the two to find the arraysDifference.
{Array}
arraysDifference([1, 2, 3, 4], [1, 2]);// return [3, 4] Copy
arraysDifference([1, 2, 3, 4], [1, 2]);// return [3, 4]
arraysDifference([1, 2, 3, 4], [1, 2], [3])// return [4] Copy
arraysDifference([1, 2, 3, 4], [1, 2], [3])// return [4]
It's the function that takes an array as the first parameter, and takes n number of arrays as the second parameter, and then compares the two to find the arraysDifference.