Checkout
    
    restoreFormFields()
restoreFormFields()
restoreFormFields() is a default implementation of a afterRedirect callback. When used in conjunction with saveFormFields(), the contents of any input elements on your page can be restored across browser redirects during the payment process.
Usage
restoreFormFields() can be configured as the afterRedirect callback using the
            data-afterRedirect
            attribute on the Checkout
            script tag.
Example
<html>
    <head>
        <script src="https://eu-gateway.mastercard.com/checkout/version/26/checkout.js"
            data-beforeRedirect="Checkout.saveFormFields"
            data-afterRedirect="Checkout.restoreFormFields">
        </script>
    </head>
    ...
</html>
Arguments
        fieldData
        
        
        
    An object which represents the input elements on the current page and their values. This is the return value of saveFormFields().
Return Value
None