[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [mapKeysToArray](./rc-js-util.mapkeystoarray.md) ## mapKeysToArray() function Converts a `Map` into an `Array` of its keys. **Signature:** ```typescript export declare function mapKeysToArray(map: Map): TKey[]; ``` ## Parameters

Parameter	Type	Description
map	Map<TKey, TValue>

**Returns:** TKey\[\] The keys of the map. ## Remarks See [mapKeysToArray()](./rc-js-util.mapkeystoarray.md).