mod10-check-digit

Calculate the check digit(mod10 algorithm)

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mod10-check-digit
Calculate the check digit(mod10 algorithm) 

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Table of Contents

Table of Contents
  • Install
  • Usage
  • CLI
  • Contribute
  • License

    • Install

    $ npm install --save mod10-check-digit
# OR
$ yarn add mod10-check-digit

    Usage

    Module exports a single function that takes a number string as argument and returns the check digit number.
    const mod10CheckDigit = require('mod10-check-digit')

console.log(mod10CheckDigit('9202204720082')) // 2
console.log(mod10CheckDigit('7992739871')) // 3
console.log(mod10CheckDigit('7240157335352')) // 4

    CLI

    $ npm install --global mod10-check-digit
# OR
$ yarn global add mod10-check-digit

    Then:
    $ mod10-check-digit 9202204720082
# 2

    Contribute

    Contributions are welcome. Please open up an issue or create PR if you would like to help out.
    Note: If editing the README, please conform to the standard-readme specification.

    License

    Licensed under the MIT License.