The PaymentRequest event handler onpaymentmethodchange is invoked when the paymentmethodchange is fired, indicating that the user has changed payment methods within a given payment handler. The event can be useful when a merchant re-calculates a total value with method details. For example, merchants can calculate tax by reading billing address information in the event.


Editor's draft

Status in Chromium


Behind a flag (tracking bug) in:

  • Chrome for desktop release 71
  • Chrome for Android release 71

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • In development
  • No public signals
  • Shipped
  • No signals


Last updated on 2019-05-15