[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [ATypedArrayTuple](./rc-js-util.atypedarraytuple.md) > [some](./rc-js-util.atypedarraytuple.some.md) ## ATypedArrayTuple.some() method Determines whether the specified callback function returns true for any element of an array. **Signature:** ```typescript some(_callbackfn: (value: number, index: TExtractIndexes, array: this) => boolean, _thisArg?: unknown): boolean; ``` ## Parameters

Parameter	Type	Description
\_callbackfn	(value: number, index: [TExtractIndexes](./rc-js-util.textractindexes.md)<this>, array: this) => boolean	A function that accepts up to three arguments. The some method calls the \_callbackfn function for each element in array1 until the \_callbackfn returns true, or until the end of the array.
\_thisArg	unknown	_(Optional)_ An object to which the this keyword can refer in the \_callbackfn function. If \_thisArg is omitted, undefined is used as the this value.

**Returns:** boolean