element-plus/docs/en-US/component/switch.md

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Markdown

---
title: Switch
lang: en-US
---
# Switch
Switch is used for switching between two opposing states.
## Basic usage
:::demo Bind `v-model` to a `Boolean` typed variable. The `--el-switch-on-color` and `--el-switch-off-color` CSS variables decides the background color in two states.
switch/basic
:::
## Sizes
:::demo
switch/sizes
:::
## Text description
You can add `active-text` and `inactive-text` attribute to show texts. use `inline-prompt` attribute to control text is displayed inside dot.
:::demo You can add `active-text` and `inactive-text` attribute to show texts.
switch/text-description
:::
## Display custom icons
:::tip
Use the `active-icon` and `inactive-icon` attribute to add icon. You can pass either string for the component name (registered in advance) or the component itself which is a SVG Vue component. Element Plus has provided a set of icon that you can find at [icon](/en-US/component/icon)
:::
:::demo You can add `active-icon` and `inactive-icon` attribute to show icons. use `inline-prompt` attribute to control icon is displayed inside dot.
switch/custom-icons
:::
## Extended value types
:::demo You can set `active-value` and `inactive-value` attributes. They both receive a `Boolean`, `String` or `Number` typed value.
switch/extended-value-types
:::
## Disabled
:::demo Adding the `disabled` attribute disables Switch.
switch/disabled
:::
## Loading
:::demo Setting the `loading` attribute to `true` indicates a loading state on the Switch.
switch/loading
:::
## prevent switching
:::demo set the `before-change` property, If `false` is returned or a `Promise` is returned and then is rejected, will stop switching.
switch/prevent-switching
:::
## Attributes
| Attribute | Description | Type | Accepted Values | Default |
| --------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------- | ----------------------- | ------- |
| model-value / v-model | binding value, it should be equivalent to either `active-value` or `inactive-value`, by default it's `boolean` type | boolean / string / number | — | — |
| disabled | whether Switch is disabled | boolean | — | false |
| loading | whether Switch is in loading state | boolean | — | false |
| size | size of Switch | string | large / default / small | default |
| width | width of Switch | number / string | — | — |
| inline-prompt | whether icon or text is displayed inside dot, only the first character will be rendered for text | boolean | — | false |
| active-icon | component of the icon displayed when in `on` state, overrides `active-text` | string / Component | — | — |
| inactive-icon | component of the icon displayed when in `off` state, overrides `inactive-text` | string / Component | — | — |
| active-text | text displayed when in `on` state | string | — | — |
| inactive-text | text displayed when in `off` state | string | — | — |
| active-value | switch value when in `on` state | boolean / string / number | — | true |
| inactive-value | switch value when in `off` state | boolean / string / number | — | false |
| active-color | background color when in `on` state ( deprecated, use CSS var `--el-switch-on-color` instead ) | string | — | — |
| inactive-color | background color when in `off` state ( deprecated, use CSS var `--el-switch-off-color` instead ) | string | — | — |
| border-color | border color of the switch ( deprecated, use CSS var `--el-switch-border-color` instead ) | string | — | — |
| name | input name of Switch | string | — | — |
| validate-event | whether to trigger form validation | boolean | — | true |
| before-change | before-change hook before the switch state changes. If `false` is returned or a `Promise` is returned and then is rejected, will stop switching | `() => Promise<boolean> \| boolean` | — | — |
## Events
| Event Name | Description | Parameters |
| ---------- | --------------------------- | -------------------- |
| change | triggers when value changes | value after changing |
## Methods
| Method | Description | Parameters |
| ------ | -------------------------- | ---------- |
| focus | focus the Switch component | — |