Исправление неточности в статье 1-js/06-advanced-functions/03-closure #2048
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Описание
В статье упоминалось, что V8 оптимизирует неиспользуемые переменные, но это могло ввести в заблуждение читателей, знакомых с другими движками (например, SpiderMonkey), будто такая оптимизация есть только в V8.
Ссылки
На картинке видно, что Firefox также оптимизирует переменную, как и V8 в данном случае:
Связанные Issue