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Select API

API reference docs for the React Select 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 Select from '@mui/joy/Select';
// or
import { Select } from '@mui/joy';
You can learn about the difference by reading this guide on minimizing bundle size.

Props

NameTypeDescription
actionfunc
| { current?: { focusVisible: func } }
A ref for imperative actions. It currently only supports focusVisible() action.
autoFocusbool
If true, the select element is focused during the first mount
color'danger'
| 'info'
| 'neutral'
| 'primary'
| 'success'
| 'warning'
| string
The color of the component. It supports those theme colors that make sense for this component. To learn how to add your own colors, check out Themed components—Extend colors.
componentelementType
The component used for the root node. Either a string to use a HTML element or a component.
defaultListboxOpenbool
If true, the select will be initially open.
defaultValueany
The default selected value. Use when the component is not controlled.
disabledbool
If true, the component is disabled.
endDecoratornode
Trailing adornment for the select.
getSerializedValuefunc
A function to convert the currently selected value to a string. Used to set a value of a hidden input associated with the select, so that the selected value can be posted with a form.
indicatornode
The indicator(*) for the select. ________________ [ value * ] ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
listboxIdstring
id attribute of the listbox element. Also used to derive the id attributes of options.
listboxOpenbool
Controls the open state of the select's listbox.
namestring
Name of the element. For example used by the server to identify the fields in form submits. If the name is provided, the component will render a hidden input element that can be submitted to a server.
onChangefunc
Callback fired when an option is selected.
onClosefunc
Triggered when focus leaves the menu and the menu should close.
onListboxOpenChangefunc
Callback fired when the component requests to be opened. Use in controlled mode (see listboxOpen).
placeholdernode
Text to show when there is no selected value.
renderValuefunc
Function that customizes the rendering of the selected value.
size'sm'
| 'md'
| 'lg'
| string
The size of the component. To learn how to add custom sizes to the component, check out Themed components—Extend sizes.
slots{ button?: elementType, endDecorator?: elementType, indicator?: elementType, listbox?: elementType, root?: elementType, startDecorator?: elementType }
The components used for each slot inside. See Slots API below for more details.
startDecoratornode
Leading adornment for the select.
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.
valueany
The selected value. Set to null to deselect all options.
variant'outlined'
| 'plain'
| 'soft'
| 'solid'
| string
The global variant to use. To learn how to add your own variants, check out Themed components—Extend variants.

The ref is forwarded to the root element.

Theme default props

You can use JoySelect to change the default props of this component with the theme.

Slots

To learn how to customize the slot, check out the Overriding component structure guide.

NameDefault classDefault HTML tagDescription
root.MuiSelect-root'div'The component that renders the root.
button.MuiSelect-button'button'The component that renders the button.
startDecorator.MuiSelect-startDecorator'span'The component that renders the start decorator.
endDecorator.MuiSelect-endDecorator'span'The component that renders the end decorator.
indicator.MuiSelect-indicator'span'The component that renders the indicator.
listbox.MuiSelect-listbox'ul'The component that renders the listbox.

You can override the style of the component using one of these customization options:

CSS classes

These class names are useful for styling with CSS. They are applied to the root slot when specific states are triggered.

Global classDescription
.Mui-disabled
STATE
State class applied to the root slot if disabled={true}.
.Mui-expanded
STATE
State class applied to the root slot if listbox open.
.Mui-focusVisible
STATE
State class applied to the SelectBase root slot if the button is keyboard focused.
.MuiSelect-colorContextClass name applied to the root element when color inversion is triggered.
.MuiSelect-colorDangerClass name applied to the root slot if color="danger".
.MuiSelect-colorInfoClass name applied to the root slot if color="info".
.MuiSelect-colorNeutralClass name applied to the root slot if color="neutral".
.MuiSelect-colorPrimaryClass name applied to the root slot if color="primary".
.MuiSelect-colorSuccessClass name applied to the root slot if color="success".
.MuiSelect-colorWarningClass name applied to the root slot if color="warning".
.MuiSelect-popperClass name applied to the popper slot.
.MuiSelect-sizeLgClass name applied to the root slot if size="lg".
.MuiSelect-sizeMdClass name applied to the root slot if size="md".
.MuiSelect-sizeSmClass name applied to the root slot if size="sm".
.MuiSelect-variantOutlinedClass name applied to the root slot if variant="outlined".
.MuiSelect-variantPlainClass name applied to the root slot if variant="plain".
.MuiSelect-variantSoftClass name applied to the root slot if variant="soft".
.MuiSelect-variantSolidClass name applied to the root slot if variant="solid".