[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [defaultWhen](./js-utils.defaultwhen.md) ## defaultWhen() function Return the first element when `condition` is true and the second element when `condition` is false. Signature: ```typescript export declare function defaultWhen(condition: boolean, ...items: Array): TVal; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | condition | boolean | | | items | Array<TVal> | | Returns: `TVal`