diff --git a/snippets/deepFreeze.md b/snippets/deepFreeze.md index 6193d9d72..bd98d9f3b 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, applying `deepFreeze()` as necessary. Finally, use `Object.freeze()` to freeze the given object. ```js const deepFreeze = obj => { Object.keys(obj).forEach(prop => { - if (typeof(obj[prop]) === 'object' && !Object.isFrozen(obj[prop])) deepFreeze(obj[prop]); + if (typeof(obj[prop]) === 'object') deepFreeze(obj[prop]); }); return Object.freeze(obj); };