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Session
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RESOURCES
Changelog
Session
onEmptinessChange
onEmptinessChange Callback
The onEmptinessChange( ) callback method is invoked when the hosted field becomes empty or is no longer empty.
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PaymentSession.onEmptinessChange([HostedFieldsRole], function(selector, result), [scope])
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PaymentSession.onEmptinessChange(["card.number", "card.nameOnCard"], function(selector, result) { //handle change event if (result.isEmpty) { // field has empty value console.log("Element with selector " + selector + " has changed it's emptiness status to empty"); } else if (!result.isEmpty) { // field has non-empty value console.log("Element with selector " + selector + " has changed it's emptiness status to non-empty"); } });
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HostedFieldsRole
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Array
REQUIRED
An array of field roles for the hosted fields where the event occurred. Valid array of field roles:
card.nameOnCard
card.number
card.expiryMonth
card.expiryYear
card.securityCode
giftCard.number
giftCard.pin
ach.bankAccountNumber
ach.bankAccountNumberConfirmation
ach.bankAccountHolder
ach.routingNumber
callbackFunction
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Function
The callback function invoked when the event is triggered.
scope
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String
The optional named instance of a card payment data set within a session. See Multiple Hosted Sessions for more information.
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None