mirror of
https://github.com/ant-design/ant-design.git
synced 2024-12-27 18:50:59 +08:00
26 lines
714 B
Markdown
26 lines
714 B
Markdown
|
---
|
||
|
|
category: Components
|
||
|
|
type: Other
|
||
|
|
title: BackTop
|
||
|
|
---
|
||
|
|
|
||
|
|
`BackTop` makes it easy to go back to the top of the page.
|
||
|
|
|
||
|
|
## When To Use
|
||
|
|
|
||
|
|
- When the page content is very long.
|
||
|
|
- When you need to go back to the top very frequently in order to view the contents.
|
||
|
|
|
||
|
|
## API
|
||
|
|
|
||
|
|
> The distance to the bottom is set to `50px` by default, which is overridable.
|
||
|
|
|
||
|
|
> If you decide to use custom styles, please note the size limit: no more than `40px * 40px`.
|
||
|
|
|
||
|
|
|
||
|
|
Property | Description | Type | Default
|
||
|
|
-----|-----|-----|------
|
||
|
|
visibilityHeight | the `BackTop` button will not show until the scroll height reaches this value | Number | 400
|
||
|
|
onClick | a callback function, which can be executed when you click the button | Function | -
|
||
|
|
|