From 77e605b04428597838ab89c8ee84c35292238b1e Mon Sep 17 00:00:00 2001 From: Roni Bar-David Date: Mon, 20 Jul 2020 09:56:30 +0300 Subject: [PATCH] Update deepFreeze.md fix typo in line 15, and add missing typeof call --- snippets/deepFreeze.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/snippets/deepFreeze.md b/snippets/deepFreeze.md index fc9d1ef9a..67d0007f6 100644 --- a/snippets/deepFreeze.md +++ b/snippets/deepFreeze.md @@ -6,13 +6,13 @@ tags: object,recursion,intermediate Deep freezes an object. Use `Object.keys()` to get all the properties of the passed object, `Array.prototype.forEach()` to iterate over them. -Call `Object.freeze(obj)` recursively on all properties, checking if each one is frozen using `Object.isFrozen()` and applying `deepFreeze()` as necessary. +Call `Object.freeze(obj)` recursively on all properties, checking if each object is frozen using `Object.isFrozen()` and applying `deepFreeze()` as necessary. Finally, use `Object.freeze()` to freeze the given object. ```js const deepFreeze = obj => { Object.keys(obj).forEach(prop => { - if (obj[prop] === 'object' && !Object.isFrozen(obj[prop])) deepFreeze(v[prop]); + if (typeof(obj[prop]) === 'object' && !Object.isFrozen(obj[prop])) deepFreeze(obj[prop]); }); return Object.freeze(obj); };