--- 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 props | Property | Description | Type | Default | | -------- | ----------- | ---- | ------- | | allowClear | Show clear button. | boolean | false | | autoFocus | Get focus by default | boolean | false | | defaultActiveFirstOption | Whether active first option by default | boolean | true | | defaultValue | Initial selected option. | string\|number\|string\[]\|number\[] | - | | 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](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 (Support after 2.9) | 'default' \| 'multiple' \| 'tags' \| 'combobox' | '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 | - | | showSearch | Whether show search input in single mode. | boolean | false | | showArrow | Whether to show the drop-down arrow | boolean | true | | size | Size of Select input. `default` `large` `small` | string | default | | 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) | - | | 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) | - | ### 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 | - | ### OptGroup props | Property | Description | Type | Default | | -------- | ----------- | ---- | ------- | | key | | string | - | | label | Group label | string\|React.Element | - |