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Jul 18, 2020
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a little confused by this description #1980

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2 changes: 1 addition & 1 deletion 1-js/04-object-basics/03-garbage-collection/article.md
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Expand Up @@ -23,7 +23,7 @@ Simply put, "reachable" values are those that are accessible or usable somehow.

2. Any other value is considered reachable if it's reachable from a root by a reference or by a chain of references.

For instance, if there's an object in a local variable, and that object has a property referencing another object, that object is considered reachable. And those that it references are also reachable. Detailed examples to follow.
For instance, if there's an object in a global variable, and that object has a property referencing another object, that object is considered reachable. And those that it references are also reachable. Detailed examples to follow.

There's a background process in the JavaScript engine that is called [garbage collector](https://en.wikipedia.org/wiki/Garbage_collection_(computer_science)). It monitors all objects and removes those that have become unreachable.

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