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common/docs/util/modules/_is_u8a_.md
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2019-02-14 23:13:52 +00:00

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# Functions
<a id="isu8a"></a>
## isU8a
▸ **isU8a**(value?: *`any`*): `boolean`
*Defined in [is/u8a.ts:21](https://github.com/polkadot-js/common/blob/420f807/packages/util/src/is/u8a.ts#L21)*
*__name__*: isU8a
*__summary__*: Tests for a `Uint8Array` object instance.
*__description__*: Checks to see if the input object is an instance of `Uint8Array`.
*__example__*:
```javascript
import { isUint8Array } from '@polkadot/util';
console.log('isU8a', isU8a([])); // => false
```
**Parameters:**
| Name | Type |
| ------ | ------ |
| `Optional` value | `any` |
**Returns:** `boolean`
___