jeena/en.javascript.info
1
0
Fork 0
Code Issues Pull requests Projects Packages Wiki Activity Actions

Update article.md

Browse source
This commit is contained in:
Ilya Kantor 2020-10-20 11:13:04 +03:00 • committed by GitHub
parent 7487ce9ebe
commit c69ca0dd1c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
1-js/04-object-basics/07-optional-chaining/article.md
View file

@ -25,7 +25,7 @@ That's the expected result. JavaScript works like this. As `user.address` is `un
In many practical cases we'd prefer to get `undefined` instead of an error here (meaning "no street"). In many practical cases we'd prefer to get `undefined` instead of an error here (meaning "no street").
...And another example. In the web development, we may need the information about an element on the page. We can find this element using a special method call, such as `document.querySelector('.elem')`, and it either returns an object or `null` when there's no such element. ...And another example. In the web development, we can get an object that corresponds to a web page element using a special method call, such as `document.querySelector('.elem')`, and it returns `null` when there's no such element.
```js run ```js run
// the result of the call document.querySelector('.elem') may be null // the result of the call document.querySelector('.elem') may be null