The onBlur( ) callback invokes the function registered against this event when the hosted field in the iFrame has lost focus.
PaymentSession.onBlur([<HostedFieldsRole>], function(selector))
PaymentSession.onBlur(['cardNumber','securityCode'], function(selector) { //handle blur event });
An array of field roles for the hosted fields where the event occurred. Valid array of field roles: ['cardNumber','securityCode']
The callback function invoked with the selector for the field whose proxy triggered the event.
None