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greetings itamp;#39;s maxo diddly here and today I am going to be showing you how to validate a credit card using JavaScript so letamp;#39;s get right into it firstly how are we going to be validating a credit card well itamp;#39;s going to be a pretty simple way firstly weamp;#39;re going to convert our input into array of integers so we can easily check each digit in the credit card input and then weamp;#39;re going to be using the Loon algorithm and basically what volume algorithm is itamp;#39;s a form of check digit and what we need to do is we need to starting from the Right double every other digit if that digit that we just doubled is greater than 9 weamp;#39;re going to mod by 10 then add on 1 to the remainder after we do that we are then going to add up every digit in the credit card and if that sum is a multiple of 10 then itamp;#39;s valid otherwise itamp;#39;s invalid and this will work on multiple types of credit cards like your Amex your Visa your MasterCards the
