41 lines
1007 B
Markdown
41 lines
1007 B
Markdown
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# Functions
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<a id="numbertohex"></a>
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## numberToHex
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▸ **numberToHex**(value?: * `undefined` | `number`*, bitLength?: *`number`*): `string`
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*Defined in [number/toHex.ts:25](https://github.com/polkadot-js/common/blob/a9878a2/packages/util/src/number/toHex.ts#L25)*
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*__name__*: numberToHex
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*__signature__*: numberToHex (value?: number): string
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*__summary__*: Creates a hex value from a number.
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*__description__*: `null`/`undefined`/`NaN` inputs returns an empty `0x` result. `number` input values return the actual bytes value converted to a `hex`. With `bitLength` set, it converts the number to the equivalent size.
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*__example__*:
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```javascript
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import { numberToHex } from '@polkadot/util';
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numberToHex(0x1234); // => '0x1234'
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numberToHex(0x1234, 32); // => 0x00001234
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```
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**Parameters:**
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| Param | 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:** `string`
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___
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