---
category: Components
type: Data Entry
title: Select
---

A Selector similar to Select2.

## When To Use

- A dropdown menu for choosing, an elegant alternative to the native select component.
- [Radio](/components/radio/) is a better solution when options amount is too little (less than 5).

## API

```html
<Select>
  <Option value="lucy">lucy</Option>
</Select>
```

### Select props

| Property     | Description           | Type     | Default       |
|----------|----------------|----------|--------------|
| value    | Current selected option. | string\|string[]   |  -  |
| defaultValue | Initial selected option. | string\|string[]   |  -  |
| mode | Set mode of Select(Support after 2.9) | 'multiple' \| 'tags' \| 'combobox' | - |
| multiple   | Allow multiple select(Deprecated after 2.9) | boolean | false |
| tags | When tagging is enabled the user can select from pre-existing options or create a new tag by picking the first choice, which is what the user has typed into the search box so far.(Deprecated after 2.9) | boolean |false |
| combobox | Enable combobox mode(can not set multiple at the same time).(Deprecated after 2.9) | boolean | false |
| allowClear   | Show clear button. | boolean | false |
| filterOption | If true, filter options by input, if function, filter options against it. The function will receive two arguments, `inputValue` and `option`, if the function returns `true`, the option will be included in the filtered set; Otherwise, it will be excluded. | boolean or function(inputValue, option) | true     |
| onSelect | Called when a option is selected, the params are option's value (or key) and option instance. | function(value, option) | -   |
| onDeselect | Called when a option is deselected, the params are option's value (or key) . only called for multiple or tags, effective in multiple or tags mode only. |  function(value) | -   |
| onChange | Called when select an option or input value change, or value of input is changed in combobox mode | function(value, label) | - |
| onSearch | Callback function that is fired when input changed. | function(value: string) |  |
| onBlur | Called when blur | function | - |
| onFocus | Called when focus | function | - |
| placeholder | Placeholder of select | string | - |
| notFoundContent | Specify content to show when no result matches..| string | 'Not Found' |
| dropdownMatchSelectWidth | Whether dropdown's with is same with select. | boolean | true |
| optionFilterProp | Which prop value of option will be used for filter if filterOption is true | string | value |
| optionLabelProp | Which prop value of option will render as content of select. | string | `children` |
| size    | Size of Select input. `large` `small`  | string      |      default      |
| showSearch | Whether show search input in single mode.| boolean | false |
| disabled | Whether disabled select | boolean | false |
| defaultActiveFirstOption | Whether active first option by default | boolean | true |
| dropdownStyle | style of dropdown menu | object | - |
| dropdownClassName | className of dropdown menu | string | - |
| getPopupContainer | Parent Node which the selector should be rendered to. Default to `body`. When position issues happen, try to modify it into scrollable content and position it relative.[example](http://codepen.io/anon/pen/xVBOVQ?editors=001) | function(triggerNode) | () => document.body |
| labelInValue | whether to embed label in value, turn the format of value from `string` to `{key: string, label: ReactNode}` | boolean | false |
| tokenSeparators | Separator used to tokenize on tag/multiple mode | string[] |  |


### Option props

| Property     | Description         | Type    | Default       |
|----------|----------------|----------|--------------|
| disabled    | Disable this option | boolean   |  false  |
| value | default to filter with this property | string | - |
| key   | Same usage as `value`. If React request you to set this property, you can set it to value of option, and then omit value property. | string |  |
| title | `title` of Select after select this Option | string | - |

### OptGroup props

| Property     | Description           | Type     | Default          |
|----------|----------------|----------|-----------------|
| label    | Group label           | string\|React.Element | -  |
| key      |                |  string  | -               |