From ba168858126dda002647c7fcfe45db8451840a01 Mon Sep 17 00:00:00 2001 From: King Date: Thu, 14 Dec 2017 02:56:47 -0500 Subject: [PATCH] refactor & elegant solution --- snippets/compact.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/snippets/compact.md b/snippets/compact.md index de76f834b..92dd9b767 100644 --- a/snippets/compact.md +++ b/snippets/compact.md @@ -3,6 +3,6 @@ Use `.filter()` to filter falsey values. For example false, null, 0, "", undefined, and NaN are falsey. ```js -const compact = (arr) => arr.filter( v => [0, null, false, '', undefined].indexOf(v) === -1 && v); +const compact = (arr) => arr.filter(v => v); // compact([0, 1, false, 2, '', 3, 'a', 'e'*23, NaN, 's', 34]) -> [ 1, 2, 3, 'a', 's', 34 ] ``` \ No newline at end of file