(a \ b) Create a set that contains those elements of set a that are not in set b.
result of a \ b
This operation is also sometimes called minus (-)
let a = [1,2,3];let b = [4,3,2];utilArrayDifference(a, b) // returns: [1]utilArrayDifference(b, a) // returns: [4] Copy
let a = [1,2,3];let b = [4,3,2];utilArrayDifference(a, b) // returns: [1]utilArrayDifference(b, a) // returns: [4]
(a \ b) Create a set that contains those elements of set a that are not in set b.