[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [hasItems](./js-utils.hasitems_1.md) ## hasItems() function Signature: ```typescript export declare function hasItems(val: Optional>): val is ReadonlyArray; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | val | [Optional](./js-utils.optional.md)<ReadonlyArray<T>> | | Returns: val is ReadonlyArray<T>