checksum1

Computes a 1-character CRC-8 checksum of a string (base-36, uppercase).

Type: transform

Parameters

• input (unknown): The input string to checksum.

Returns

Type: string

A single uppercase alphanumeric character, or undefined if input is not a string.

Examples

checksum1("DOC-001") // "H"

"CASE-2026-000184"|checksum1 // "F"