--- category: Components type: Data Entry title: Radio cover: https://gw.alipayobjects.com/zos/alicdn/8cYb5seNB/Radio.svg --- 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 | Specifies whether the radio is selected. | boolean | | | defaultChecked | Specifies the initial state: whether or not the radio is selected. | boolean | false | | 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 | | --- | --- | --- | --- | --- | | defaultValue | Default selected value | any | | | | disabled | Disable all radio buttons | boolean | false | | | name | The `name` property of all `input[type="radio"]` children | string | | | | options | set children optional | string\[] \| Array<{ label: string value: string disabled?: boolean }> | | | | size | size for radio button style | `large` \| `middle` \| `small` | | | | value | Used for setting the currently selected value. | any | | | | onChange | The callback function that is triggered when the state changes. | Function(e:Event) | | | | optionType | set Radio optionType | `default` \| `button` | `default` | 4.4.0 | | buttonStyle | style type of radio button | `outline` \| `solid` | `outline` | | ## Methods ### Radio | Name | Description | | ------- | ------------ | | blur() | remove focus | | focus() | get focus |