[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [ATypedArrayTuple](./rc-js-util.atypedarraytuple.md) > [fill](./rc-js-util.atypedarraytuple.fill.md) ## ATypedArrayTuple.fill() method Returns the this object after filling the section identified by start and end with value **Signature:** ```typescript fill(_value: number, _start?: number, _end?: number): this; ``` ## Parameters

Parameter	Type	Description
\_value	number	value to fill array section with
\_start	number	_(Optional)_ index to start filling the array at. If start is negative, it is treated as length+start where length is the length of the array.
\_end	number	_(Optional)_ index to stop filling the array at. If end is negative, it is treated as length+end.

**Returns:** this