30-seconds-of-code/snippets/everyNth.md

title, tags, expertise, cover, firstSeen, lastUpdated

title	tags	expertise	cover	firstSeen	lastUpdated
Every nth element	array	beginner	blog_images/dark-leaves-6.jpg	2017-12-17T17:55:51+02:00	2020-10-19T18:51:03+03:00

Returns every nth element in an array.

• Use Array.prototype.filter() to create a new array that contains every nth element of a given array.

const everyNth = (arr, nth) => arr.filter((e, i) => i % nth === nth - 1);

everyNth([1, 2, 3, 4, 5, 6], 2); // [ 2, 4, 6 ]