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Merge pull request #2936 from glebmikulko/patch-4

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Update optional-chaining/article.md
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Ilya Kantor 2022-04-14 06:45:30 +03:00 • committed by GitHub
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1-js/04-object-basics/07-optional-chaining/article.md
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@ -103,7 +103,7 @@ The code is short and clean, there's no duplication at all.
Here's an example with `document.querySelector`: Here's an example with `document.querySelector`:
```js run ```js run
let html = document.querySelector('.elem')?.innerHTML; // will be null, if there's no element let html = document.querySelector('.elem')?.innerHTML; // will be undefined, if there's no element
``` ```
Reading the address with `user?.address` works even if `user` object doesn't exist: Reading the address with `user?.address` works even if `user` object doesn't exist: