element-plus/docs/en-US/component/slider.md
류한경 5b817d3008
feat(components): [slider] placement (#8561)
* feat(components): [slider] placement

feat: add fallback placements

feat: rename tooltip-placement

refactor: test code

docs: add placement attribute

docs: prettier

* docs: example placement
2022-07-04 22:35:53 +08:00

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---
title: Slider
lang: en-US
---
# Slider
Drag the slider within a fixed range.
## Basic usage
The current value is displayed when the slider is being dragged.
:::demo Customize the initial value of the slider by setting the binding value.
slider/basic-usage
:::
## Discrete values
The options can be discrete.
:::demo Set step size with the `step` attribute. You can display breakpoints by setting the `show-stops` attribute.
slider/discrete-values
:::
## Slider with input box
Set value via a input box.
:::demo Set the `show-input` attribute to display an input box on the right.
slider/slider-with-input-box
:::
## Sizes
:::demo
slider/sizes
:::
## Placement
You can custom tooltip placement.
:::demo
slider/placement
:::
## Range selection
Selecting a range of values is supported.
:::demo Setting the `range` attribute activates range mode, where the binding value is an array made up of two boundary values.
slider/range-selection
:::
## Vertical mode
:::demo Setting the `vertical` attribute to `true` enables vertical mode. In vertical mode, the `height` attribute is required.
slider/vertical-mode
:::
## Show marks
:::demo Setting this `marks` attribute can show mark on slider.
slider/show-marks
:::
## Attributes
| Attribute | Description | Type | Accepted Values | Default |
| --------------------- | --------------------------------------------------------------------------------------------------------- | --------------- | --------------------------------------------------------------------------------------------------------- | ------- |
| model-value / v-model | binding value | number | — | 0 |
| min | minimum value | number | — | 0 |
| max | maximum value | number | — | 100 |
| disabled | whether Slider is disabled | boolean | — | false |
| step | step size | number | — | 1 |
| show-input | whether to display an input box, works when `range` is false | boolean | — | false |
| show-input-controls | whether to display control buttons when `show-input` is true | boolean | — | true |
| size | size of the slider | string | large / default / small | default |
| input-size | size of the input box, when set `size`, the default is the value of `size` | string | large / default / small | default |
| show-stops | whether to display breakpoints | boolean | — | false |
| show-tooltip | whether to display tooltip value | boolean | — | true |
| format-tooltip | format to display tooltip value | function(value) | — | — |
| range | whether to select a range | boolean | — | false |
| vertical | vertical mode | boolean | — | false |
| height | Slider height, required in vertical mode | string | — | — |
| label | label for screen reader | string | — | — |
| range-start-label | when `range` is true, screen reader label for the start of the range | string | — | — |
| range-end-label | when `range` is true, screen reader label for the end of the range | string | — | — |
| format-value-text | format to display the `aria-valuenow` attribute for screen readers | function(value) | — | — |
| debounce | debounce delay when typing, in milliseconds, works when `show-input` is true | number | — | 300 |
| tooltip-class | custom class name for the tooltip | string | — | — |
| placement | position of Tooltip | string | top/top-start/top-end/bottom/bottom-start/bottom-end/left/left-start/left-end/right/right-start/right-end | top |
| marks | marks type of key must be `number` and must in closed interval `[min, max]`, each mark can custom style | object | — | — |
| validate-event | whether to trigger form validation | boolean | - | true |
## Events
| Event Name | Description | Parameters |
| ---------- | ----------------------------------------------------------------------------------------------------------------- | -------------------- |
| change | triggers when the value changes (if the mouse is being dragged, this event only fires when the mouse is released) | value after changing |
| input | triggers when the data changes (It'll be emitted in real time during sliding) | value after changing |