ant-design/components/select/index.en-US.md
2017-10-25 10:25:44 +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 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 |
| -------- | ----------- | ---- | ------- |
| allowClear | Show clear button. | boolean | false |
| combobox | Enable combobox mode (can not set multiple at the same time). (Deprecated after 2.9, use `mode` instead) | boolean | false |
| defaultActiveFirstOption | Whether active first option by default | boolean | true |
| defaultValue | Initial selected option. | string\|string\[] | - |
| disabled | Whether disabled select | boolean | false |
| dropdownClassName | className of dropdown menu | string | - |
| dropdownMatchSelectWidth | Whether dropdown's with 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](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 |
| mode | Set mode of Select (Support after 2.9) | 'multiple' \| 'tags' \| 'combobox' | - |
| multiple | Allow multiple select (Deprecated after 2.9, use `mode` instead) | boolean | false |
| 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 | `children` |
| placeholder | Placeholder of select | string\|ReactNode | - |
| showSearch | Whether show search input in single mode. | boolean | false |
| size | Size of Select input. `default` `large` `small` | string | default |
| 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, use `mode` instead) | boolean | false |
| tokenSeparators | Separator used to tokenize on tag/multiple mode | string\[] | |
| value | Current selected option. | string\|string\[] | - |
| 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, label) | - |
| 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) | - |
| onFocus | Called when focus | 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 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 | - |
### OptGroup props
| Property | Description | Type | Default |
| -------- | ----------- | ---- | ------- |
| key | | string | - |
| label | Group label | string\|React.Element | - |