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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

Import

import Select from '@mui/material/Select';
// or
import { Select } from '@mui/material';

Learn about the difference by reading this guide on minimizing bundle size.

Props

Props of the OutlinedInput component are also available.

NameTypeDefaultDescription
autoWidthboolfalse

If true, the width of the popover will automatically be set according to the items inside the menu, otherwise it will be at least the width of the select input.

childrennode-

The option elements to populate the select with. Can be some MenuItem when native is false and option when native is true.
⚠️The MenuItem elements must be direct descendants when native is false.

classesobject{}

Override or extend the styles applied to the component.

See CSS classes API below for more details.

defaultOpenboolfalse

If true, the component is initially open. Use when the component open state is not controlled (i.e. the open prop is not defined). You can only use it when the native prop is false (default).

defaultValueany-

The default value. Use when the component is not controlled.

displayEmptyboolfalse

If true, a value is displayed even if no items are selected.
In order to display a meaningful value, a function can be passed to the renderValue prop which returns the value to be displayed when no items are selected.
⚠️ When using this prop, make sure the label doesn't overlap with the empty displayed value. The label should either be hidden or forced to a shrunk state.

IconComponentelementTypeArrowDropDownIcon

The icon that displays the arrow.

idstring-

The id of the wrapper element or the select element when native.

inputelement-

An Input element; does not have to be a material-ui specific Input.

inputPropsobject-

Attributes applied to the input element. When native is true, the attributes are applied on the select element.

labelnode-

See OutlinedInput#label

labelIdstring-

The ID of an element that acts as an additional label. The Select will be labelled by the additional label and the selected value.

MenuPropsobject-

Props applied to the Menu element.

multipleboolfalse

If true, value must be an array and the menu will support multiple selections.

nativeboolfalse

If true, the component uses a native select element.

onChangefunc-

Callback fired when a menu item is selected.

Signature:function(event: SelectChangeEvent, child?: object) => void
  • event The event source of the callback. You can pull out the new value by accessing event.target.value (any). Warning: This is a generic event, not a change event, unless the change event is caused by browser autofill.
  • child The react element that was selected when native is false (default).
onClosefunc-

Callback fired when the component requests to be closed. Use it in either controlled (see the open prop), or uncontrolled mode (to detect when the Select collapses).

Signature:function(event: object) => void
  • event The event source of the callback.
onOpenfunc-

Callback fired when the component requests to be opened. Use it in either controlled (see the open prop), or uncontrolled mode (to detect when the Select expands).

Signature:function(event: object) => void
  • event The event source of the callback.
openbool-

If true, the component is shown. You can only use it when the native prop is false (default).

renderValuefunc-

Render the selected value. You can only use it when the native prop is false (default).

Signature:function(value: any) => ReactNode
  • value The value provided to the component.
SelectDisplayPropsobject-

Props applied to the clickable div element.

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.

value''
| any
-

The input value. Providing an empty string will select no options. Set to an empty string '' if you don't want any of the available options to be selected.
If the value is an object it must have reference equality with the option in order to be selected. If the value is not an object, the string representation must match with the string representation of the option in order to be selected.

variant'filled'
| 'outlined'
| 'standard'
'outlined'

The variant to use.

The ref is forwarded to the root element.

Inheritance

While not explicitly documented above, the props of the OutlinedInput component are also available in Select. You can take advantage of this to target nested components.

Theme default props

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

CSS classes

These class names are useful for styling with CSS. They are applied to the component's slots when specific states are triggered.

Class nameRule nameDescription
.Mui-disabledState class applied to the select component disabled class.
.Mui-errorState class applied to the root element if error={true}.
.Mui-focusedStyles applied to the select component if it is focused.
.MuiSelect-filledfilledStyles applied to the select component if variant="filled".
.MuiSelect-iconiconStyles applied to the icon component.
.MuiSelect-iconFillediconFilledStyles applied to the icon component if variant="filled".
.MuiSelect-iconOpeniconOpenStyles applied to the icon component if the popup is open.
.MuiSelect-iconOutlinediconOutlinedStyles applied to the icon component if variant="outlined".
.MuiSelect-iconStandardiconStandardStyles applied to the icon component if variant="standard".
.MuiSelect-multiplemultipleStyles applied to the select component if multiple={true}.
.MuiSelect-nativeInputnativeInputStyles applied to the underlying native input component.
.MuiSelect-outlinedoutlinedStyles applied to the select component if variant="outlined".
.MuiSelect-rootrootStyles applied to the root element.
.MuiSelect-selectselectStyles applied to the select component select class.
.MuiSelect-standardstandardStyles applied to the select component if variant="standard".

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

Source code

If you did not find the information in this page, consider having a look at the implementation of the component for more detail.