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conformance · v147
v147 · web-printing-api — conformance probe
8 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.
0
pass
0
fail
0
blocked
8
total
| id | contract | kind | verdict | detail |
|---|---|---|---|---|
window-print-exists |
window.print exists as the baseline print-dialog fallback. spec ↗ | exists | … | |
window-print-is-function |
window.print is callable when the Web Printing API is unavailable. spec ↗ | script | … | |
web-printing-window-manager-shape |
If window.printing is exposed in an Isolated Web App, it provides WebPrintingManager.getPrinters(). spec ↗ | script | … | |
web-printer-method-shape |
Any discovered WebPrinter exposes cachedAttributes(), fetchAttributes(), and submitPrintJob(). spec ↗ | script | … | |
web-printer-cached-attributes-shape |
Discovered printers expose basic cached attributes including printerName and an obfuscated printerId. spec ↗ | script | … | |
web-printer-fetch-attributes-shape |
fetchAttributes() resolves to the detailed WebPrinterAttributes object when a printer is available. spec ↗ | script | … | |
beforeprint-event-supported |
beforeprint event handler is supported by the baseline printing surface. spec ↗ | script | … | |
afterprint-event-supported |
afterprint event handler is supported by the baseline printing surface. spec ↗ | script | … |