| 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 | |
| filterSort | Sort function for search options sorting, see [Array.sort](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)'s compareFunction | (optionA: Option, optionB: Option) => number | - | 3.0 |
| 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. | function(triggerNode) | () => document.body | |
| labelInValue | whether to embed label in value, turn the format of value from `string` to `{key: string, label: vNodes}` | boolean | false | |
| virtual | Disable virtual scroll when set to false | boolean | true | 3.0 |
> Note, if you find that the drop-down menu scrolls with the page, or you need to trigger Select in other popup layers, please try to use `getPopupContainer={triggerNode => triggerNode.parentElement}` to fix the drop-down popup rendering node in the parent element of the trigger .