---
category: Components
type: Data Entry
title: Radio
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Radio.
## When To Use
- Used to select a single state from multiple options.
- The difference from Select is that Radio is visible to the user and can facilitate the comparison of choice, which means there shouldn't be too many of them.
## API
### Radio/Radio.Button
| Property | Description | Type | Default |
| --- | --- | --- | --- |
| autofocus | get focus when component mounted | boolean | false |
| checked(v-model) | Specifies whether the radio is selected. | boolean | - |
| disabled | Disable radio | boolean | false |
| value | According to value for comparison, to determine whether the selected | any | - |
### RadioGroup
Radio group can wrap a group of `Radio`。
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| buttonStyle | style type of radio button | `outline` \| `solid` | `outline` | |
| disabled | Disable all radio buttons | boolean | false | |
| name | The `name` property of all `input[type="radio"]` children | string | - | |
| options | set children optional | string\[] \| number\[] \| Array<{ label: string value: string disabled?: boolean }> | - | |
| optionType | Set Radio optionType | `default` \| `button` | `default` | 3.0.0 |
| size | size for radio button style | `large` \| `default` \| `small` | `default` | |
| value(v-model) | Used for setting the currently selected value. | any | - | |
### RadioGroup Events
| Events Name | Description | Arguments |
| --- | --- | --- |
| change | The callback function that is triggered when the state changes. | Function(e:Event) |
## Methods
### Radio
| Name | Description |
| ------- | ------------ |
| blur() | remove focus |
| focus() | get focus |
