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Button API

API reference docs for the React Button component. Learn about the props, CSS, and other APIs of this exported module.

Demos

For examples and details on the usage of this React component, visit the component demo pages:

Import

import Button from '@mui/joy/Button';
// or
import { Button } from '@mui/joy';
You can learn about the difference by reading this guide on minimizing bundle size.

Component name

The name JoyButton can be used when providing default props or style overrides in the theme.

Props

NameTypeDefaultDescription
actionfunc
| { current?: { focusVisible: func } }
A ref for imperative actions. It currently only supports focusVisible() action.
color'danger'
| 'info'
| 'neutral'
| 'primary'
| 'success'
| 'warning'
| string
'primary'
The color of the component. It supports those theme colors that make sense for this component.
disabledboolfalse
If true, the component is disabled.
endDecoratornode
Element placed after the children.
fullWidthboolfalse
If true, the button will take up the full width of its container.
loadingboolfalse
If true, the loading indicator is shown.
loadingIndicatornode<CircularProgress />
The node should contain an element with role="progressbar" with an accessible name. By default we render a CircularProgress that is labelled by the button itself.
loadingPosition'center'
| 'end'
| 'start'
'center'
The loading indicator can be positioned on the start, end, or the center of the button.
size'sm'
| 'md'
| 'lg'
| string
'md'
The size of the component.
startDecoratornode
Element placed before the children.
sxArray<func
| object
| bool>
| func
| object
The system prop that allows defining system overrides as well as additional CSS styles. See the `sx` page for more details.
variant'outlined'
| 'plain'
| 'soft'
| 'solid'
| string
'solid'
The variant to use.

The ref is forwarded to the root element.