## Radio
Single selection among multiple options.
### Basic usage
Radio should not have too many options. Otherwise, use the Select component instead.
:::demo Creating a radio component is easy, you just need to bind a variable to Radio's `v-model`. It equals to the value of `label` of the chosen radio. The type of `label` is `String` or `Number`.
```html
optionA
optionB
```
:::
### Disabled
`disabled` attribute is used to disable the radio.
:::demo You just need to add the `disabled` attribute.
```html
optionA
optionB
```
:::
### Radio button group
Suitable for choosing from some mutually exclusive options.
:::demo Combine `` with `` to display a radio group. Bind a variable with `v-model` of `` element and set label value in ``. It also provides `change` event with the current value as its parameter.
```html
optionA
optionB
optionC
```
:::
### Button style
Radio with button styles.
:::demo You just need to change `` element into `` element. We also provide `size` attribute for these buttons: `large` and `small`.
```html
```
:::
### Radio Attributes
Attribute | Description | Type | Accepted Values | Default
---- | ---- | ---- | ---- | ----
label | the value of radio | string/number | — | —
disabled | whether radio is disabled | boolean | — | false
name | native 'name' attribute | string | — | —
### Radio-group Attributes
Attribute | Description | Type | Accepted Values | Default
---- | ---- | ---- | ---- | ----
size | the size of radio buttons | string | large/small | —
### Radio-group Events
| Event Name | Description | Parameters |
--- | --- | ---
change | triggers when the bound value changes | the label value of the chosen radio
### Radio-button Attributes
Attribute | Description | Type | Accepted Values | Default
---- | ---- | ---- | ---- | ----
label | the value of radio | string/number | — | —
disabled | whether radio is disabled | boolean | — | false
fill | border and background color when button is active | string | — | #20a0ff |
text-color | font color when button is active | string | — | #ffffff |