common/docs/util/modules/_number_tou8a_.md

Functions

numberToU8a

▸ numberToU8a(value?: undefined | number, bitLength?: number): Uint8Array

Defined in number/toU8a.ts:23

name: numberToU8a

signature: numberToU8a (value?: number, bitLenght: number = -1): Uint8Array

summary: Creates a Uint8Array object from a number.

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.

example:

import { numberToU8a } from '@polkadot/util';

numberToU8a(0x1234); // => [0x12, 0x34]

Parameters:

Name	Type	Default value
Optional value	undefined	number
Default value bitLength	number	-1

Returns: Uint8Array

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