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conformance · v138
v138 · crash-reporting-api-is-top-level-visibility-state — conformance probe
5 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.
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pass
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fail
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blocked
5
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
reporting-observer-exists |
ReportingObserver is exposed — the Crash Reporting API surfaces crash reports via this interface. spec ↗ | exists | … | |
reporting-observer-takes-options |
ReportingObserver constructor accepts a 'crash' type filter — required to receive crash report bodies. spec ↗ | script | … | |
document-visibility-state-string |
document.visibilityState returns a string — same enum the crash body now mirrors. spec ↗ | script | … | |
is-top-level-observable-via-window-top |
The page can self-determine its is_top_level value (mirrors the new crash body field) by comparing window===window.top. spec ↗ | script | … | |
report-interface-exists |
Report interface is defined; CrashReportBody fields (including the new is_top_level and visibility_state) are surfaced via Report.body. spec ↗ | script | … |