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

title, tags, expertise, author, cover, firstSeen

title	tags	expertise	author	cover	firstSeen
First n elements	array	beginner	chalarangelo	blog_images/digital-nomad-16.jpg	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']