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Validate CVV/Card Code Javascript Function

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Junior Guru Wannabe
Join Date: Aug 2004
Location: Miami
Posts: 65

Validate CVV/Card Code Javascript Function


I am lookin for a JavaScript validation script for validating CVV/Card Code.

I have validated the Credit Card Number just fine but I am looking to validate the CVV also. Does anyone know how it works and if there are scripts available (JavaScript - I want to validate it client-side)


Thank you

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Web Hosting Guru
Join Date: Feb 2005
Posts: 266
If you mean just check if 3 or 4 numbers where entered then it can be done very easy in JS. Just few lines of code
But if you mean CVV checking if it is valid for a given card , then it is not possible. I t is being checked at banking side.

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