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conformance · v149

v149 · payment-request-allow-payment-handlers-to-report-back-internal-errors — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://w3c.github.io/payment-request/#payment-handler-indicates-an-internal-error-algorithm chromestatus: #5942637229113344 generated 2026-06-01T08:15:14Z by conformance-author-v1-subagent
0
pass
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fail
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blocked
6
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id contract kind verdict detail
payment-request-exists PaymentRequest is exposed as a global constructor. spec ↗ exists
payment-request-show PaymentRequest.prototype.show is a function returning a Promise for the outcome. typeof
payment-request-can-make-payment PaymentRequest.prototype.canMakePayment is callable. typeof
abort-error-name-preserved A DOMException named 'AbortError' preserves its name through the spec algorithm. spec ↗ script
operation-error-name-preserved A DOMException named 'OperationError' preserves its name (the internal-error signal). spec ↗ script
payment-request-event-exists Service-worker side surface PaymentRequestEvent exposes respondWith. spec ↗ script