← back to v151 · declarative-shadow-dom-shadowrootslotassignment-attribute

conformance · v151

v151 · declarative-shadow-dom-shadowrootslotassignment-attribute — conformance probe

3 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://html.spec.whatwg.org/#attr-template-shadowrootslotassignment chromestatus: #5178682139344896 generated 2026-07-18T17:30:00Z by weekly-hardening-routine
0
pass
0
fail
0
blocked
3
total
id contract kind verdict detail
shadowroot-slotassignment-reflected ShadowRoot exposes a slotAssignment mode. spec ↗ exists
declarative-slotassignment-manual-parsed Parsing a declarative shadow root whose template carries shadowrootslotassignment="manual" yields a shadow root in manual slot-assignment mode. spec ↗ script
declarative-slotassignment-default-named Parsing a declarative shadow root without the attribute yields the default named slot assignment. spec ↗ script