20 lines
646 B
Markdown
20 lines
646 B
Markdown
|
|
||
|
|
## 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 |
|
||
|
|
| -------- | ----------- | ---- | ------- |
|
||
|
|
| target | specifies the scrollable area dom node | () => HTMLElement | () => window |
|
||
|
|
| visibilityHeight | the `BackTop` button will not show until the scroll height reaches this value | number | 400 |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
### events
|
||
|
|
| Events Name | Description | Arguments |
|
||
|
|
| --- | --- | --- |
|
||
|
|
| click | a callback function, which can be executed when you click the button | Function |
|
||
|
|
|