Skip to content

Update optional-chaining/article.md #2936

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Apr 14, 2022
Merged

Update optional-chaining/article.md #2936

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion 1-js/04-object-basics/07-optional-chaining/article.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@ The code is short and clean, there's no duplication at all.
Here's an example with `document.querySelector`:

```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:
Expand Down