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The PaymentMethodChangeEvent() constructor creates a new PaymentMethodChangeEvent object providing details about a paymentmethodchange event.


paymentMethodChangeEvent = new PaymentMethodChangeEvent(type, options);



A DOMString which must contain the string paymentmethodchange, the name of the only type of event which uses the PaymentMethodChangeEvent interface.

options Optional

An optional PaymentMethodChangeEventInit dictionary which may contain zero or more of the following properties:

methodName Optional

A DOMString containing the payment method identifier for the payment handler being used. This is an empty string by default.

methodDetails Optional

An object providing payment method-specific information describing the changes made to the payment, or null if there is no additional information available or required. This is null by default.

Return value

A newly-created PaymentMethodChangeEvent object describing a change to the options specified for the payment method given in the methodName property.

The type of the methodDetails property depends on the payment method. For example, if methodName is, indicating that the Example Pay payment method is being used for validation, the shape of methodDetails is defined by the payment method.


Payment Request API
# dom-paymentmethodchangeevent-constructor

Browser compatibility

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See also