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Fixed a typo

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Douglas Mariano Valero 2019-09-01 13:16:04 -03:00 • committed by GitHub
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1-js/05-data-types/08-weakmap-weakset/article.md
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@ -147,7 +147,7 @@ countUser(john);
john = null;
```
Now `john` object should be garbage collected, but remains is memory, as it's a key in `visitsCountMap`.
Now `john` object should be garbage collected, but remains in memory, as it's a key in `visitsCountMap`.
We need to clean `visitsCountMap` when we remove users, otherwise it will grow in memory indefinitely. Such cleaning can become a tedious task in complex architectures.