Function toHexNumber

toHexNumber(val, prefix?): number
Converts a hex string to a hex number.

Example
```
toHexNumber('#000') // Returns 0
toHexNumber('#fff') // Returns 16777215
toHexNumber('0xfff', '0x') // Returns 16777215
```
Parameters
- val: string
  
  Hex string.
- prefix: HexStringPrefix = '#'
  
  Prefix to look out for.
Returns number
Hex number.
- Defined in core/utils.ts:123