[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [arrayMapRange](./rc-js-util.arraymaprange.md) ## arrayMapRange() function Like [arrayMap()](./rc-js-util.arraymap.md) with integer range as input. **Signature:** ```typescript export declare function arrayMapRange(from: number, to: number, callback: (value: number, index: number) => TMapped): TMapped[]; ``` ## Parameters

Parameter	Type	Description
from	number	The value to start from (inclusive).
to	number	The value to finish with (inclusive).
callback	(value: number, index: number) => TMapped	Called for each value in the range.

**Returns:** TMapped\[\] An array of results from the callback. ## Remarks Where `from` and `to` are equal a length 1 array is returned, NaN input is not supported. See [arrayMapRange()](./rc-js-util.arraymaprange.md).