Skip to content

Instantly share code, notes, and snippets.

View nani3105's full-sized avatar

kurra niranjan nani3105

View GitHub Profile
@ShirtlessKirk
ShirtlessKirk / luhn.js
Last active August 27, 2024 05:35
Luhn validation algorithm
/**
* Luhn algorithm in JavaScript: validate credit card number supplied as string of numbers
* @author ShirtlessKirk. Copyright (c) 2012.
* @license WTFPL (http://www.wtfpl.net/txt/copying)
*/
var luhnChk = (function (arr) {
return function (ccNum) {
var
len = ccNum.length,
bit = 1,