ant-design/components/select/index.en-US.md
2018-10-06 15:35:29 +08:00

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---
category: Components
type: Data Entry
title: Select
---
Select component to select value from options.
## When To Use
- A dropdown menu for displaying choices - an elegant alternative to the native `<select>` element.
- Utilizing [Radio](/components/radio/) is recommended when there are fewer total options (less than 5).
## API
```html
<Select>
<Option value="lucy">lucy</Option>
</Select>
```
### Select props
| Property | Description | Type | Default |
| -------- | ----------- | ---- | ------- |
| allowClear | Show clear button. | boolean | false |
| autoClearSearchValue | Whether the current search will be cleared on selecting an item. Only applies when `mode` is set to `multiple` or `tags`. | boolean | true |
| autoFocus | Get focus by default | boolean | false |
| defaultActiveFirstOption | Whether active first option by default | boolean | true |
| defaultValue | Initial selected option. | string\|string\[]<br />number\|number\[] | - |
| disabled | Whether disabled select | boolean | false |
| dropdownClassName | className of dropdown menu | string | - |
| dropdownMatchSelectWidth | Whether dropdown's width is same with select. | boolean | true |
| dropdownStyle | style of dropdown menu | object | - |
| 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 |
| firstActiveValue | Value of action option by default | string\|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](https://codesandbox.io/s/4j168r7jw0) | 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 |
| maxTagCount | Max tag count to show | number | - |
| maxTagPlaceholder | Placeholder for not showing tags | ReactNode/function(omittedValues) | - |
| mode | Set mode of Select | 'default' \| 'multiple' \| 'tags' | 'default' |
| notFoundContent | Specify content to show when no result matches.. | string | 'Not Found' |
| 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 | `value` for `combobox`, `children` for other modes |
| placeholder | Placeholder of select | string\|ReactNode | - |
| showArrow | Whether to show the drop-down arrow | boolean | true |
| showSearch | Whether show search input in single mode. | boolean | false |
| size | Size of Select input. `default` `large` `small` | string | default |
| suffixIcon | The custom suffix icon | ReactNode | - |
| tokenSeparators | Separator used to tokenize on tag/multiple mode | string\[] | |
| value | Current selected option. | string\|number\|string\[]\|number\[] | - |
| onBlur | Called when blur | function | - |
| onChange | Called when select an option or input value change, or value of input is changed in combobox mode | function(value, option:Option/Array&lt;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, option:Option) | - |
| onFocus | Called when focus | function | - |
| onInputKeyDown | Called when key pressed | function | - |
| onMouseEnter | Called when mouse enter | function | - |
| onMouseLeave | Called when mouse leave | function | - |
| onPopupScroll | Called when dropdown scrolls | function | - |
| onSearch | Callback function that is fired when input changed. | function(value: string) | |
| onSelect | Called when a option is selected, the params are option's value (or key) and option instance. | function(value, option:Option) | - |
| defaultOpen | Initial open state of dropdown | boolean | - |
| open | Controlled open state of dropdown | boolean | - |
| onDropdownVisibleChange | Call when dropdown open | function(open) | - |
### Select Methods
| Name | Description |
| ---- | ----------- |
| blur() | Remove focus |
| focus() | Get focus |
### Option props
| Property | Description | Type | Default |
| -------- | ----------- | ---- | ------- |
| disabled | Disable this option | boolean | false |
| 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 | - |
| value | default to filter with this property | string\|number | - |
| className | additional class to option | string | - |
### OptGroup props
| Property | Description | Type | Default |
| -------- | ----------- | ---- | ------- |
| key | | string | - |
| label | Group label | string\|React.Element | - |