30-seconds-of-code/snippets/every-nth.md

title, type, tags, cover, dateModified

title	type	tags	cover	dateModified
Every nth element	snippet	array	dark-leaves-6	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 ]