Credit Card CVC

Formats the credit card cvc:

• Limits to length of 4
• Restricts input to numbers

$('input.credit_card_cvc').formance('format_credit_card_cvc');

Validates the credit card cvc:

• Validates number length between 3 and 4
• Validates numbers
• Checks if the data attribute credit_card_type exists to check if cvc matches that card's standards.

$("<input value='123' />").formance('validate_credit_card_cvc');        // true
$("<input value='1234' />").formance('validate_credit_card_cvc');       // true
$("<input value='123' data-credit_card_type='amex' />").formance('validate_credit_card_cvc');   // true
$("<input value='1234' data-credit_card_type='amex' />").formance('validate_credit_card_cvc');   // true
$("<input value='12345' />").formance('validate_credit_card_cvc');      // false

Make sure to read about the credit card autocomplete recommendations.