Function diff

Returns the difference between this and another array if comp is given, filters out all values from an array for which the comparator function does not return true

Example

diff([1, 2, 3], [1, 2, 4]); // [3]

Example

diff([1, 1.2, 1.5, 3, 0], [1.9, 3, 0], (a, b) => Math.round(a) === Math.round(b)); // [1, 1.2]