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Update article about WeakMap's delete function

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It seems that it's small typo in delete function of WeakMap as according to specification delete function takes only one parameter - key
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Lukasz Ciesluk 2019-01-25 09:00:04 +00:00 • committed by GitHub
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1-js/05-data-types/07-map-set-weakmap-weakset/article.md
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@ -328,7 +328,7 @@ Compare it with the regular `Map` example above. Now if `john` only exists as th
- `weakMap.get(key)`
- `weakMap.set(key, value)`
- `weakMap.delete(key, value)`
- `weakMap.delete(key)`
- `weakMap.has(key)`
Why such a limitation? That's for technical reasons. If an object has lost all other references (like `john` in the code above), then it is to be garbage-collected automatically. But technically it's not exactly specified *when the cleanup happens*.