QueryLogic.set.difference(setA, setB)

Performs a difference of setA and setB and returns the result. Will throw an error if defineComparison has not been called with comparison operations necessary to perform the difference. Use difference to perform a difference between two plain Query objects.

QueryLogic.set.difference can be used to test custom comparison types:

import {QueryLogic} from "can";

const gt3 = new QueryLogic.GreaterThan(3);
const lt6 = new QueryLogic.LessThan(6);

const diff = QueryLogic.difference(gt3, lt6);
console.log( diff ); //-> new QueryLogic.GreaterThanEqual(6)