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change user to userAdmin #3498

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change user to userAdmin #3498

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2 changes: 1 addition & 1 deletion 1-js/04-object-basics/07-optional-chaining/article.md
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Expand Up @@ -180,7 +180,7 @@ userGuest.admin?.(); // nothing happens (no such method)
*/!*
```

Here, in both lines we first use the dot (`userAdmin.admin`) to get `admin` property, because we assume that the `user` object exists, so it's safe read from it.
Here, in both lines we first use the dot (`userAdmin.admin`) to get `admin` property, because we assume that the `userAdmin` object exists, so it's safe read from it.

Then `?.()` checks the left part: if the `admin` function exists, then it runs (that's so for `userAdmin`). Otherwise (for `userGuest`) the evaluation stops without errors.

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