40 lines
1022 B
Markdown
40 lines
1022 B
Markdown
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# Functions
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<a id="numbertou8a"></a>
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## numberToU8a
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▸ **numberToU8a**(value?: * `undefined` | `number`*, bitLength?: *`number`*): `Uint8Array`
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*Defined in [number/toU8a.ts:23](https://github.com/polkadot-js/common/blob/3bc1b75/packages/util/src/number/toU8a.ts#L23)*
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*__name__*: numberToU8a
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*__signature__*: numberToU8a (value?: number, bitLenght: number = -1): Uint8Array
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*__summary__*: Creates a Uint8Array object from a number.
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*__description__*: `null`/`undefined`/`NaN` inputs returns an empty `Uint8Array` result. `number` input values return the actual bytes value converted to a `Uint8Array`. With `bitLength`, it converts the value to the equivalent size.
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*__example__*:
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```javascript
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import { numberToU8a } from '@polkadot/util';
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numberToU8a(0x1234); // => [0x12, 0x34]
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```
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**Parameters:**
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| Name | Type | Default value |
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| ------ | ------ | ------ |
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| `Optional` value | `undefined` | `number`| - |
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| `Default value` bitLength | `number` | -1 |
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**Returns:** `Uint8Array`
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___
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