Form

Forms allow users to enter data that can be submitted while providing alignment and styling for form fields.

installyarn add @adobe/react-spectrum
added3.0.0
usageimport {Form} from '@adobe/react-spectrum'

Example#


<Form maxWidth="size-3600">
  <TextField label="Email" />
  <TextField label="Password" />
  <Checkbox>Remember me</Checkbox>
</Form>
<Form maxWidth="size-3600">
  <TextField label="Email" />
  <TextField label="Password" />
  <Checkbox>Remember me</Checkbox>
</Form>
<Form maxWidth="size-3600">
  <TextField label="Email" />
  <TextField label="Password" />
  <Checkbox>
    Remember me
  </Checkbox>
</Form>

Content#


Form accepts one or more children to render as its form elements. Label alignment, positioning, and other properties are set on the Form itself and propagated to its children to generate a cohesive design. To override these top level Form props on individual children, set them directly on the child instead.

<Form maxWidth="size-3600" isRequired necessityIndicator="label">
  <TextField label="Name" />
  <TextField label="Email" />
  <TextField label="Address" isRequired={false} />
</Form>
<Form
  maxWidth="size-3600"
  isRequired
  necessityIndicator="label"
>
  <TextField label="Name" />
  <TextField label="Email" />
  <TextField label="Address" isRequired={false} />
</Form>
<Form
  maxWidth="size-3600"
  isRequired
  necessityIndicator="label"
>
  <TextField label="Name" />
  <TextField label="Email" />
  <TextField
    label="Address"
    isRequired={false}
  />
</Form>

Labeling#


Accessibility#

A label should be provided to the Form by adding either the aria-label or aria-labelledby prop, so that the element will be identified to assistive technology as a form landmark region to which assistive technology can navigate.

<h3 id="label-3">Personal Information</h3>
<Form maxWidth="size-3600" aria-labelledby="label-3">
  <TextField label="First Name" />
  <TextField label="Last Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
    <Radio value="dragons">Dragons</Radio>
  </RadioGroup>
</Form>
<h3 id="label-3">Personal Information</h3>
<Form maxWidth="size-3600" aria-labelledby="label-3">
  <TextField label="First Name" />
  <TextField label="Last Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
    <Radio value="dragons">Dragons</Radio>
  </RadioGroup>
</Form>
<h3 id="label-3">
  Personal Information
</h3>
<Form
  maxWidth="size-3600"
  aria-labelledby="label-3"
>
  <TextField label="First Name" />
  <TextField label="Last Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
    <Radio value="dragons">
      Dragons
    </Radio>
  </RadioGroup>
</Form>

Validation#


React Spectrum supports native HTML constraint validation with customizable UI, custom validation functions, realtime validation, and integration with server-side validation errors. The Form component facilitates server-side validation by providing error messages to the fields within it.

To provide validation errors, the validationErrors prop should be set to an object that maps each field's name prop to a string or array of strings representing one or more errors. These are displayed to the user as soon as the validationErrors prop is set, and cleared after the user modifies each field's value.

<Form
  validationErrors={{ username: 'Sorry, this username is taken.' }}
  maxWidth="size-3000"
>
  <TextField label="Username" name="username" />
</Form>
<Form
  validationErrors={{
    username: 'Sorry, this username is taken.'
  }}
  maxWidth="size-3000"
>
  <TextField label="Username" name="username" />
</Form>
<Form
  validationErrors={{
    username:
      'Sorry, this username is taken.'
  }}
  maxWidth="size-3000"
>
  <TextField
    label="Username"
    name="username"
  />
</Form>

See the Forms guide to learn more about form validation in React Spectrum, including client-side validation, and integration with other frameworks and libraries.

Validation behavior#

By default, validation errors are displayed to the user in realtime as the value is edited, and do not block form submission. To enable native HTML form validation and prevent form submission when fields are invalid, set the validationBehavior prop to "native".

import {ButtonGroup, Button} from '@adobe/react-spectrum';

<Form validationBehavior="native" maxWidth="size-3000">
  <TextField label="Email" name="email" type="email" isRequired />
  <ButtonGroup>
    <Button type="submit" variant="primary">Submit</Button>
    <Button type="reset" variant="secondary">Reset</Button>
  </ButtonGroup>
</Form>
import {Button, ButtonGroup} from '@adobe/react-spectrum';

<Form validationBehavior="native" maxWidth="size-3000">
  <TextField
    label="Email"
    name="email"
    type="email"
    isRequired
  />
  <ButtonGroup>
    <Button type="submit" variant="primary">
      Submit
    </Button>
    <Button type="reset" variant="secondary">
      Reset
    </Button>
  </ButtonGroup>
</Form>
import {
  Button,
  ButtonGroup
} from '@adobe/react-spectrum';

<Form
  validationBehavior="native"
  maxWidth="size-3000"
>
  <TextField
    label="Email"
    name="email"
    type="email"
    isRequired
  />
  <ButtonGroup>
    <Button
      type="submit"
      variant="primary"
    >
      Submit
    </Button>
    <Button
      type="reset"
      variant="secondary"
    >
      Reset
    </Button>
  </ButtonGroup>
</Form>

Focus management#

By default, after a user submits a form with validation errors, the first invalid field will be focused. You can prevent this by calling preventDefault during the onInvalid event, and move focus yourself.

This example shows how to move focus to an InlineAlert using the autoFocus prop when displaying validation errors at the top of a form.

import {InlineAlert, Heading, Content} from '@adobe/react-spectrum';

function Example() {
  let [isInvalid, setInvalid] = React.useState(false);

  return (
    <Form
      validationBehavior="native"
      onInvalid={e => {
        e.preventDefault();
        setInvalid(true);
      }}      onSubmit={e => {
        e.preventDefault();
        setInvalid(false);
      }}
      onReset={() => setInvalid(false)}
      maxWidth="size-3600">
      {isInvalid &&
        <InlineAlert variant="negative" autoFocus>          <Heading>Unable to submit</Heading>
          <Content>
            Please fix the validation errors below, and re-submit the form.
          </Content>
        </InlineAlert>
      }
      <TextField label="First Name" isRequired />
      <TextField label="Last Name" isRequired />
      <ButtonGroup>
        <Button type="submit" variant="primary">Submit</Button>
        <Button type="reset" variant="secondary">Reset</Button>
      </ButtonGroup>
    </Form>
  );
}
import {
  Content,
  Heading,
  InlineAlert
} from '@adobe/react-spectrum';

function Example() {
  let [isInvalid, setInvalid] = React.useState(false);

  return (
    <Form
      validationBehavior="native"
      onInvalid={(e) => {
        e.preventDefault();
        setInvalid(true);
      }}      onSubmit={(e) => {
        e.preventDefault();
        setInvalid(false);
      }}
      onReset={() => setInvalid(false)}
      maxWidth="size-3600"
    >
      {isInvalid &&
        <InlineAlert variant="negative" autoFocus>          <Heading>Unable to submit</Heading>
          <Content>
            Please fix the validation errors below, and
            re-submit the form.
          </Content>
        </InlineAlert>}
      <TextField label="First Name" isRequired />
      <TextField label="Last Name" isRequired />
      <ButtonGroup>
        <Button type="submit" variant="primary">
          Submit
        </Button>
        <Button type="reset" variant="secondary">
          Reset
        </Button>
      </ButtonGroup>
    </Form>
  );
}
import {
  Content,
  Heading,
  InlineAlert
} from '@adobe/react-spectrum';

function Example() {
  let [
    isInvalid,
    setInvalid
  ] = React.useState(
    false
  );

  return (
    <Form
      validationBehavior="native"
      onInvalid={(e) => {
        e.preventDefault();
        setInvalid(true);
      }}      onSubmit={(e) => {
        e.preventDefault();
        setInvalid(
          false
        );
      }}
      onReset={() =>
        setInvalid(
          false
        )}
      maxWidth="size-3600"
    >
      {isInvalid &&
        <InlineAlert
          variant="negative"
          autoFocus
        >          <Heading>
            Unable to
            submit
          </Heading>
          <Content>
            Please fix
            the
            validation
            errors below,
            and re-submit
            the form.
          </Content>
        </InlineAlert>}
      <TextField
        label="First Name"
        isRequired
      />
      <TextField
        label="Last Name"
        isRequired
      />
      <ButtonGroup>
        <Button
          type="submit"
          variant="primary"
        >
          Submit
        </Button>
        <Button
          type="reset"
          variant="secondary"
        >
          Reset
        </Button>
      </ButtonGroup>
    </Form>
  );
}

Props#


NameTypeDefaultDescription
childrenReactElement<SpectrumLabelableProps>ReactElement<SpectrumLabelableProps>[]The contents of the Form.
isQuietbooleanWhether the Form elements are displayed with their quiet style.
isEmphasizedbooleanWhether the Form elements are rendered with their emphasized style.
isDisabledbooleanWhether the Form elements are disabled.
isRequiredbooleanWhether user input is required on each of the Form elements before Form submission.
isReadOnlybooleanWhether the Form elements can be selected but not changed by the user.
validationStateValidationState'valid'Whether the Form elements should display their "valid" or "invalid" visual styling.
validationBehavior'aria''native''aria'

Whether to use native HTML form validation to prevent form submission when a field value is missing or invalid, or mark fields as required or invalid via ARIA.

validationErrorsValidationErrors

Validation errors for the form, typically returned by a server. This should be set to an object mapping from input names to errors.

actionstringFormHTMLAttributes<HTMLFormElement>['action']

Where to send the form-data when the form is submitted. See MDN.

encType'application/x-www-form-urlencoded''multipart/form-data''text/plain'

The enctype attribute specifies how the form-data should be encoded when submitting it to the server. See MDN.

method'get''post''dialog'

The HTTP method to submit the form with. See MDN.

target'_blank''_self''_parent''_top'

The target attribute specifies a name or a keyword that indicates where to display the response that is received after submitting the form. See MDN.

autoComplete'off''on'

Indicates whether input elements can by default have their values automatically completed by the browser. See MDN.

autoCapitalize'off''none''on''sentences''words''characters'

Controls whether inputted text is automatically capitalized and, if so, in what manner. See MDN.

labelPositionLabelPosition'top'The label's overall position relative to the element it is labeling.
labelAlignAlignment'start'The label's horizontal alignment relative to the element it is labeling.
necessityIndicatorNecessityIndicator'icon'Whether the required state should be shown as an icon or text.
Events
NameTypeDescription
onSubmit( (event: FormEvent<HTMLFormElement> )) => voidTriggered when a user submits the form.
onReset( (event: FormEvent<HTMLFormElement> )) => voidTriggered when a user resets the form.
onInvalid( (event: FormEvent<HTMLFormElement> )) => voidTriggered for each invalid field when a user submits the form.
Layout
NameTypeDescription
flexResponsive<stringnumberboolean>When used in a flex layout, specifies how the element will grow or shrink to fit the space available. See MDN.
flexGrowResponsive<number>When used in a flex layout, specifies how the element will grow to fit the space available. See MDN.
flexShrinkResponsive<number>When used in a flex layout, specifies how the element will shrink to fit the space available. See MDN.
flexBasisResponsive<numberstring>When used in a flex layout, specifies the initial main size of the element. See MDN.
alignSelfResponsive<'auto''normal''start''end''center''flex-start''flex-end''self-start''self-end''stretch'>Overrides the alignItems property of a flex or grid container. See MDN.
justifySelfResponsive<'auto''normal''start''end''flex-start''flex-end''self-start''self-end''center''left''right''stretch'>Specifies how the element is justified inside a flex or grid container. See MDN.
orderResponsive<number>The layout order for the element within a flex or grid container. See MDN.
gridAreaResponsive<string>When used in a grid layout, specifies the named grid area that the element should be placed in within the grid. See MDN.
gridColumnResponsive<string>When used in a grid layout, specifies the column the element should be placed in within the grid. See MDN.
gridRowResponsive<string>When used in a grid layout, specifies the row the element should be placed in within the grid. See MDN.
gridColumnStartResponsive<string>When used in a grid layout, specifies the starting column to span within the grid. See MDN.
gridColumnEndResponsive<string>When used in a grid layout, specifies the ending column to span within the grid. See MDN.
gridRowStartResponsive<string>When used in a grid layout, specifies the starting row to span within the grid. See MDN.
gridRowEndResponsive<string>When used in a grid layout, specifies the ending row to span within the grid. See MDN.
Spacing
NameTypeDescription
marginResponsive<DimensionValue>The margin for all four sides of the element. See MDN.
marginTopResponsive<DimensionValue>The margin for the top side of the element. See MDN.
marginBottomResponsive<DimensionValue>The margin for the bottom side of the element. See MDN.
marginStartResponsive<DimensionValue>The margin for the logical start side of the element, depending on layout direction. See MDN.
marginEndResponsive<DimensionValue>The margin for the logical end side of an element, depending on layout direction. See MDN.
marginXResponsive<DimensionValue>The margin for both the left and right sides of the element. See MDN.
marginYResponsive<DimensionValue>The margin for both the top and bottom sides of the element. See MDN.
Sizing
NameTypeDescription
widthResponsive<DimensionValue>The width of the element. See MDN.
minWidthResponsive<DimensionValue>The minimum width of the element. See MDN.
maxWidthResponsive<DimensionValue>The maximum width of the element. See MDN.
heightResponsive<DimensionValue>The height of the element. See MDN.
minHeightResponsive<DimensionValue>The minimum height of the element. See MDN.
maxHeightResponsive<DimensionValue>The maximum height of the element. See MDN.
Positioning
NameTypeDescription
positionResponsive<'static''relative''absolute''fixed''sticky'>Specifies how the element is positioned. See MDN.
topResponsive<DimensionValue>The top position for the element. See MDN.
bottomResponsive<DimensionValue>The bottom position for the element. See MDN.
leftResponsive<DimensionValue>The left position for the element. See MDN. Consider using start instead for RTL support.
rightResponsive<DimensionValue>The right position for the element. See MDN. Consider using start instead for RTL support.
startResponsive<DimensionValue>The logical start position for the element, depending on layout direction. See MDN.
endResponsive<DimensionValue>The logical end position for the element, depending on layout direction. See MDN.
zIndexResponsive<number>The stacking order for the element. See MDN.
isHiddenResponsive<boolean>Hides the element.
Accessibility
NameTypeDescription
role'search''presentation'An ARIA role override to apply to the form element.
idstringThe element's unique identifier. See MDN.
aria-labelstringDefines a string value that labels the current element.
aria-labelledbystringIdentifies the element (or elements) that labels the current element.
aria-describedbystringIdentifies the element (or elements) that describes the object.
aria-detailsstringIdentifies the element (or elements) that provide a detailed, extended description for the object.
Advanced
NameTypeDescription
UNSAFE_classNamestringSets the CSS className for the element. Only use as a last resort. Use style props instead.
UNSAFE_styleCSSPropertiesSets inline style for the element. Only use as a last resort. Use style props instead.

Visual options#


Label position and alignment#

Top label position, start label alignment

<Form
  labelPosition="top"
  labelAlign="start"
  aria-label="Top position, start alignment example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  labelPosition="top"
  labelAlign="start"
  aria-label="Top position, start alignment example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  labelPosition="top"
  labelAlign="start"
  aria-label="Top position, start alignment example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Side label position, start label alignment

<Form
  labelPosition="side"
  labelAlign="start"
  aria-label="Side position, start alignment example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  labelPosition="side"
  labelAlign="start"
  aria-label="Side position, start alignment example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  labelPosition="side"
  labelAlign="start"
  aria-label="Side position, start alignment example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Side label position, end label alignment

<Form
  labelPosition="side"
  labelAlign="end"
  aria-label="Side position, end alignment example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  labelPosition="side"
  labelAlign="end"
  aria-label="Side position, end alignment example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  labelPosition="side"
  labelAlign="end"
  aria-label="Side position, end alignment example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Quiet#

<Form
  isQuiet
  aria-label="Quiet example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <TextField label="Address" />
</Form>
<Form
  isQuiet
  aria-label="Quiet example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <TextField label="Address" />
</Form>
<Form
  isQuiet
  aria-label="Quiet example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <TextField label="Address" />
</Form>

Emphasized#

<Form
  isEmphasized
  aria-label="Emphasized example"
  maxWidth="size-3600">
  <TextField label="Name"/>
  <RadioGroup label="Favorite pet" defaultValue="dogs">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isEmphasized
  aria-label="Emphasized example"
  maxWidth="size-3600">
  <TextField label="Name"/>
  <RadioGroup label="Favorite pet" defaultValue="dogs">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isEmphasized
  aria-label="Emphasized example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup
    label="Favorite pet"
    defaultValue="dogs"
  >
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Disabled#

<Form
  isDisabled
  aria-label="Disabled example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isDisabled
  aria-label="Disabled example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isDisabled
  aria-label="Disabled example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Required and necessity indicator#

Optional label

<Form
  necessityIndicator="label"
  aria-label="Optional with label example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  necessityIndicator="label"
  aria-label="Optional with label example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  necessityIndicator="label"
  aria-label="Optional with label example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Required label

<Form
  isRequired
  necessityIndicator="label"
  aria-label="Required with label example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isRequired
  necessityIndicator="label"
  aria-label="Required with label example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isRequired
  necessityIndicator="label"
  aria-label="Required with label example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Required with asterisk

<Form
  isRequired
  necessityIndicator="icon"
  aria-label="Required with asterisk example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isRequired
  necessityIndicator="icon"
  aria-label="Required with asterisk example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isRequired
  necessityIndicator="icon"
  aria-label="Required with asterisk example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Read only#

<Form
  isReadOnly
  aria-label="isReadOnly example"
  maxWidth="size-3600">
  <TextField label="Name" value="John Smith" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isReadOnly
  aria-label="isReadOnly example"
  maxWidth="size-3600">
  <TextField label="Name" value="John Smith" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  isReadOnly
  aria-label="isReadOnly example"
  maxWidth="size-3600"
>
  <TextField
    label="Name"
    value="John Smith"
  />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>

Validation state#

<Form
  validationState="invalid"
  aria-label="Invalid validationState example"
  maxWidth="size-3600"
  marginBottom="size-300">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  validationState="invalid"
  aria-label="Invalid validationState example"
  maxWidth="size-3600"
  marginBottom="size-300">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  validationState="invalid"
  aria-label="Invalid validationState example"
  maxWidth="size-3600"
  marginBottom="size-300"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>
<Form
  validationState="valid"
  aria-label="Valid validationState example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  validationState="valid"
  aria-label="Valid validationState example"
  maxWidth="size-3600">
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">Dogs</Radio>
    <Radio value="cats">Cats</Radio>
  </RadioGroup>
</Form>
<Form
  validationState="valid"
  aria-label="Valid validationState example"
  maxWidth="size-3600"
>
  <TextField label="Name" />
  <RadioGroup label="Favorite pet">
    <Radio value="dogs">
      Dogs
    </Radio>
    <Radio value="cats">
      Cats
    </Radio>
  </RadioGroup>
</Form>