Files
element-plus/docs/en-US/component/scrollbar.md
qiang ca8846c532 feat(components): [select] accessibility enhancement (#14503)
* feat: accessibility enhancement

* fix: adjusting the attributes of Scrollbar

* Update docs/en-US/component/scrollbar.md

Co-authored-by: btea <2356281422@qq.com>

* docs: updata

* fix(components): [select] aria-selected error

---------

Co-authored-by: btea <2356281422@qq.com>
2023-10-12 09:29:00 -05:00

86 lines
6.5 KiB
Markdown

---
title: Scrollbar
lang: en-US
---
# Scrollbar
Used to replace the browser's native scrollbar.
## Basic usage
:::demo Use `height` property to set the height of the scrollbar, or if not set, it adapts according to the parent container height.
scrollbar/basic-usage
:::
## Horizontal scroll
:::demo When the element width is greater than the scrollbar width, the horizontal scrollbar is displayed.
scrollbar/horizontal-scroll
:::
## Max height
:::demo The scrollbar is displayed only when the element height exceeds the max height.
scrollbar/max-height
:::
## Manual scroll
:::demo Use `setScrollTop` and `setScrollLeft` methods can control scrollbar manually.
scrollbar/manual-scroll
:::
## API
### Attributes
| Name | Description | Type | Default |
| --------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- | ------- |
| height | height of scrollbar | ^[string] / ^[number] | — |
| max-height | max height of scrollbar | ^[string] / ^[number] | — |
| native | whether to use the native scrollbar style | ^[boolean] | false |
| wrap-style | style of wrap container | ^[string] / ^[object]`CSSProperties \| CSSProperties[] \| string[]` | — |
| wrap-class | class of wrap container | ^[string] | — |
| view-style | style of view | ^[string] / ^[object]`CSSProperties \| CSSProperties[] \| string[]` | — |
| view-class | class of view | ^[string] | — |
| noresize | do not respond to container size changes, if the container size does not change, it is better to set it to optimize performance | ^[boolean] | false |
| tag | element tag of the view | ^[string] | div |
| always | always show scrollbar | ^[boolean] | false |
| min-size | minimum size of scrollbar | ^[number] | 20 |
| id ^(2.4.0) | id of view | ^[string] | — |
| role ^(2.4.0) ^(a11y) | role of view | ^[string] | — |
| aria-label ^(2.4.0) ^(a11y) | aria-label of view | ^[string] | — |
| aria-orientation ^(2.4.0) ^(a11y) | aria-orientation of view | ^[enum]`'horizontal' \| 'vertical'` | — |
### Events
| Name | Description | Type |
| ------ | ----------------------------------------------------- | ---------------------------------------------------------------- |
| scroll | triggers when scrolling, return distance of scrolling | ^[Function]`({ scrollLeft: number, scrollTop: number }) => void` |
### Slots
| Name | Description |
| ------- | ------------------------- |
| default | customize default content |
### Exposes
| Name | Description | Type |
| ------------- | ------------------------------------------ | -------------------------------------------------------------------------- |
| handleScroll | handle scroll event | ^[Function]`() => void` |
| scrollTo | scrolls to a particular set of coordinates | ^[Function]`(options: ScrollToOptions \| number, yCoord?: number) => void` |
| setScrollTop | Set distance to scroll top | ^[Function]`(scrollTop: number) => void` |
| setScrollLeft | Set distance to scroll left | ^[Function]`(scrollLeft: number) => void` |
| update | update scrollbar state manually | ^[Function]`() => void` |
| wrapRef | scrollbar wrap ref | ^[object]`Ref<HTMLDivElement>` |