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conformance · v132

v132 · element-capture — 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://screen-share.github.io/element-capture/ chromestatus: #5198989277790208 generated 2026-06-01T08:29:00Z by conformance-author-v1-subagent
0
pass
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fail
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blocked
6
total
id contract kind verdict detail
restriction-target-class-exists RestrictionTarget is exposed globally as the handle returned by the static factory. spec ↗ exists
restriction-target-from-element-static RestrictionTarget.fromElement is a static factory method. spec ↗ typeof
browser-capture-media-stream-track-exists BrowserCaptureMediaStreamTrack is exposed (it extends MediaStreamTrack with restrictTo). spec ↗ exists
browser-capture-restrictto-method BrowserCaptureMediaStreamTrack.prototype.restrictTo is a function. spec ↗ typeof
getdisplaymedia-supported navigator.mediaDevices.getDisplayMedia exists — element capture is layered on top of display capture. script
restrict-to-returns-promise Calling restrictTo with null should return a Promise (per spec — null resets the restriction). spec ↗ script