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difference
wolfram77 edited this page Mar 27, 2020
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28 revisions
Gives values of an iterable not present in another.
iterable.difference(x, y, [fn]);
// x: an iterable
// y: another iterable
// fn: compare function (a, b)
const iterable = require('extra-iterable');
var x = [1, 2, 3, 4, 5];
iterable.difference(x, [2, 4]);
// [1, 3, 5]
iterable.difference(x, [-2, -4]);
// [1, 2, 3, 4, 5]
iterable.difference(x, [-2, -4], (a, b) => Math.abs(a) - Math.abs(b));
// [1, 3, 5]