← back to v147 · long-animation-frames-style-duration
conformance · v147
v147 · long-animation-frames-style-duration — 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 |
|---|---|---|---|---|
long-animation-frame-supported |
long-animation-frame is supported in PerformanceObserver.supportedEntryTypes. spec ↗ | script | … | |
performancelonganimationframetiming-exists |
The PerformanceLongAnimationFrameTiming interface is defined globally. spec ↗ | exists | … | |
baseline-styleandlayoutstart-exposed |
Baseline LoAF entries expose styleAndLayoutStart for the combined style/layout timing window. spec ↗ | script | … | |
baseline-forced-style-and-layout-script-field |
PerformanceScriptTiming exposes forcedStyleAndLayoutDuration as the baseline combined forced recalc field. spec ↗ | script | … | |
ot-styleduration-on-loaf-entry |
When the Chrome 147 origin trial is active, PerformanceLongAnimationFrameTiming.prototype exposes styleDuration. spec ↗ | script | … | |
ot-layoutduration-on-loaf-entry |
When the Chrome 147 origin trial is active, PerformanceLongAnimationFrameTiming.prototype exposes layoutDuration. spec ↗ | script | … | |
ot-forcedstyleduration-on-script-timing |
When the Chrome 147 origin trial is active, PerformanceScriptTiming.prototype exposes forcedStyleDuration. spec ↗ | script | … | |
ot-forcedlayoutduration-on-script-timing |
When the Chrome 147 origin trial is active, PerformanceScriptTiming.prototype exposes forcedLayoutDuration. spec ↗ | script | … |