[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [Checklist](./js-utils.checklist.md) > [check](./js-utils.checklist.check.md) ## Checklist.check() method Check whether a value is included or excluded from this checklist (depending on `mode`). Signature: ```typescript check(value: T): boolean; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | value | T | | Returns: boolean