luhn-generator
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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
11 lines (9 loc) • 322 B
JavaScript
var fails = require('../internals/fails');
// check the existence of a method, lowercase
// of a tag and escaping quotes in arguments
module.exports = function (METHOD_NAME) {
return fails(function () {
var test = ''[METHOD_NAME]('"');
return test !== test.toLowerCase() || test.split('"').length > 3;
});
};