692 B
692 B
Functions
hexHasPrefix
▸ hexHasPrefix(value?: string | null): boolean
Defined in hex/hasPrefix.ts:21
name: hexHasPrefix
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 |
|---|---|
Optional value |
string | null |
Returns: boolean