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FormHelperText API

The API documentation of the FormHelperText React component. Learn more about the props and the CSS customization points.

import FormHelperText from '@material-ui/core/FormHelperText';

Props

Name Type Default Description
children node The content of the component.
classes object Override or extend the styles applied to the component. See CSS API below for more details.
component elementType 'p' The component used for the root node. Either a string to use a DOM element or a component.
disabled bool If true, the helper text should be displayed in a disabled state.
error bool If true, helper text should be displayed in an error state.
filled bool If true, the helper text should use filled classes key.
focused bool If true, the helper text should use focused classes key.
margin 'dense' If dense, will adjust vertical spacing. This is normally obtained via context from FormControl.
required bool If true, the helper text should use required classes key.
variant 'standard'
| 'outlined'
| 'filled'
The variant to use.

The ref is forwarded to the root element.

Any other props supplied will be provided to the root element (native element).

CSS

  • Style sheet name: MuiFormHelperText.
  • Style sheet details:
Rule name Global class Description
root MuiFormHelperText-root Styles applied to the root element.
error Mui-error Pseudo-class applied to the root element if error={true}.
disabled Mui-disabled Pseudo-class applied to the root element if disabled={true}.
marginDense MuiFormHelperText-marginDense Styles applied to the root element if margin="dense".
contained MuiFormHelperText-contained Styles applied to the root element if variant="filled" or variant="outlined".
focused Mui-focused Pseudo-class applied to the root element if focused={true}.
filled MuiFormHelperText-filled Pseudo-class applied to the root element if filled={true}.
required Mui-required Pseudo-class applied to the root element if required={true}.

You can override the style of the component thanks to one of these customization points:

If that's not sufficient, you can check the implementation of the component for more detail.

Notes

The component is fully StrictMode compatible.

Demos