onChange Callback

The onChange( ) callback invokes the function registered against this event when the input value in the hosted field in the iFrame has changed.

PaymentSession.onChange([HostedFieldsRole], function(selector));

PaymentSession.onChange(['cardNumber','securityCode'], function(selector) {
    //handle change event
});

HostedFieldsRole Array

An array of field roles for the hosted fields where the event occurred. Valid array of field roles:

cardNumber

securityCode

callbackFunction Function

The callback function invoked with the selector for the field whose proxy triggered the event.

None