compact.md

title	tags	author_title	author_url	author_image_url	description	image
compact	array,beginner	Deepak Vishwakarma	https://github.com/deepakshrma	https://avatars2.githubusercontent.com/u/7682731?s=400	Implementation of "compact" in typescript, javascript and deno.	https://www.positronx.io/wp-content/uploads/2018/11/positronx-banner-1152-1.jpg

Removes falsy values from an array.

Use Array.prototype.filter() to filter out falsy values (false, null, 0, "", undefined, and NaN).

const compact = (arr: any[]) => arr.filter(Boolean);

compact([0, 1, false, 2, "", 3, "a", Number("e") * 23, NaN, "s", 34]); // [ 1, 2, 3, 'a', 's', 34 ]