The PaymentRequest.hasEnrolledInstrument() method returns a boolean indicating whether the user has a payment instrument in their profile that matches the payment identifier in a PaymentRequest and whether it is ready to handle payment at the time PaymentRequest.show() is called.
Specification
Specification being incubated in a Community Group
Status in Chromium
Enabled by default
(tracking bug)
Consensus & Standardization
After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.
Owners
Last updated on 2020-11-09
Comments
When this feature is enabled, the meaning of PaymentRequest.canMakePayment() changes too. See https://lists.w3.org/Archives/Public/public-payments-wg/2018Nov/0018.html