--- 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 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, use `mode` instead) | 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, use `mode` instead) | boolean |false | | combobox | Enable combobox mode (can not set multiple at the same time). (Deprecated after 2.9, use `mode` instead) | 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\|ReactNode | - | | 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. `default` `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[] | | | firstActiveValue | Value of action option by default | string\|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 | - |