[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [ArrayMapper](./js-utils.arraymapper.md) > [map](./js-utils.arraymapper.map.md) ## ArrayMapper.map() method Transform the input list into a map, extracting elements using the mapper's options. Signature: ```typescript map(input: Array): Map>; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | input | Array<string> | | Returns: Map<string, Array<string>>