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difference
Subhajit Sahu edited this page May 10, 2020
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28 revisions
Gives values of an iterable not present in another. 🏃 [:vhs:] 📦 🌔
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];
var y = [2, 4];
[...iterable.difference(x, y)];
// [ 1, 3, 5 ]
var y = [-2, -4];
[...iterable.difference(x, y)];
// [ 1, 2, 3, 4, 5 ]
[...iterable.difference(x, y, (a, b) => Math.abs(a) - Math.abs(b))];
// [ 1, 3, 5 ]