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conformance · v136

v136 · request-close-invoker-command — 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://html.spec.whatwg.org/multipage/form-elements.html#attr-button-command-request-close-state chromestatus: #5592399713402880 generated 2026-06-01T08:03:56Z by conformance-author-v1-subagent
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id contract kind verdict detail
command-attribute-on-button HTMLButtonElement reflects a `command` content attribute via the IDL `command` getter/setter. spec ↗ script
command-for-attribute-on-button HTMLButtonElement exposes a `commandForElement` IDL property — the target of an invoker command. spec ↗ script
command-event-constructor CommandEvent is exposed — the event dispatched to the target when an invoker command runs. spec ↗ typeof
request-close-roundtrip Setting `command="request-close"` on a button is reflected through the IDL attribute. spec ↗ script
dialog-cancel-event HTMLDialogElement still fires `cancel` events — request-close is the new invoker that triggers the same cancel-then-close path. spec ↗ script
dialog-close-method HTMLDialogElement.close exists — the underlying operation request-close ultimately invokes. typeof