763 B
763 B
Functions
hexHasPrefix
▸ hexHasPrefix(value: string | null | undefined): boolean
Defined in hex/hasPrefix.ts:22
name: hexHasPrefix
signature: hexHasPrefix (value: ?string): boolean
summary: Tests for the existence of a 0x prefix.
description: Checks for a valid hex input value and if the start matched 0x
example:
import { hexHasPrefix } from '@polkadot/util';
console.log('has prefix', hexHasPrefix('0x1234')); // => true
Parameters:
| Name | Type |
|---|---|
| value | string |
Returns: boolean