Sign Up for Free

RunKit +

Try any Node.js package right in your browser

This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including checkdigit with all npm packages installed. Try it out:

var checkdigit = require("checkdigit")

This service is provided by RunKit and is not affiliated with npm, Inc or the package authors.

checkdigit v1.1.1

Module to calculate and validate check digits for redundancy checking, using f.ex. mod10 (luhn algorithm) or mod11.

RunKit is a free, in-browser JavaScript dev environment for prototyping Node.js code, with every npm package installed. Sign up to share your code.
Sign Up for Free