From 35b607d2d8eb9b6cd42a2d2ebfabf5c151ae5acd Mon Sep 17 00:00:00 2001 From: tanmay thakral <46583379+tanmaythakral@users.noreply.github.com> Date: Sat, 1 Oct 2022 13:27:53 -0700 Subject: [PATCH] fix(curriculum): falsy bouncer - do not mutate the original array (#47718) Co-authored-by: Naomi Carrigan --- .../basic-algorithm-scripting/falsy-bouncer.md | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.md b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.md index bdeca316a4e..fb62b8eddf0 100644 --- a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.md +++ b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.md @@ -8,7 +8,7 @@ dashedName: falsy-bouncer # --description-- -Remove all falsy values from an array. +Remove all falsy values from an array. Return a new array; do not mutate the original array. Falsy values in JavaScript are `false`, `null`, `0`, `""`, `undefined`, and `NaN`. @@ -40,6 +40,14 @@ assert.deepEqual(bouncer([false, null, 0, NaN, undefined, '']), []); assert.deepEqual(bouncer([null, NaN, 1, 2, undefined]), [1, 2]); ``` +You should not mutate `arr`. + +```js +const arr = ['a', false, 0, 'Naomi']; +bouncer(arr); +assert.deepEqual(arr, ['a', false, 0, 'Naomi']) +``` + # --seed-- ## --seed-contents--