GitHub - madrobby/creditcard_js: A creditcard validation library for JavaScript using Prototype

This was extracted from http://letsfreckle.com. You need to be using a recent-ish version of the Prototype JavaScript framework. CreditCard.validate('1111 2222 3333 4444') -> true/false the given string is automatically stripped of whitespace, so it can be plugged directly into form validations The following things are tested: 1. does the luhn validation code add up? (see http://en.wikipedia.org/w

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クレジット番号が正しいかを判定するライブラリ