30-seconds-of-code/snippets/js/s/last-n.md

title, type, language, tags, author, cover, dateModified

title	type	language	tags	author	cover	dateModified
Last n elements	snippet	javascript	array	chalarangelo	interior-5	2022-07-23T05:00:00-04:00

Gets the last n elements of an array.

• Use Array.prototype.slice() with a start value of -n to get the last n elements of arr.

const lastN = (arr, n) => arr.slice(-n);

lastN(['a', 'b', 'c', 'd'], 2); // ['c', 'd']