30-seconds-of-code/javascript/snippets/first-n.md

title, type, tags, author, cover, dateModified

title	type	tags	author	cover	dateModified
First n elements	snippet	array	chalarangelo	digital-nomad-16	2022-07-22T05:00:00-04:00

Gets the first n elements of an array.

• Use Array.prototype.slice() with a start value of 0 and an end value of n to get the first n elements of arr.

const firstN = (arr, n) => arr.slice(0, n);

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