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conformance · v132

v132 · keyboard-focusable-scroll-containers — 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/interaction.html#attr-tabindex chromestatus: #5231964663578624 generated 2026-06-01T08:17:00Z by conformance-author-v1-subagent
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pass
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fail
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blocked
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id contract kind verdict detail
scroll-container-default-tab-index A scroll container without a tabindex attribute receives a tabIndex of 0 (sequentially focusable) by default. spec ↗ script
non-scroll-container-not-focusable A plain div without overflow still has the default tabIndex of -1. script
scroll-container-focus-method Calling focus() on a scroll container moves activeElement to it. spec ↗ script
explicit-tabindex-neg1-opts-out Setting tabindex=-1 still makes a scroll container skip sequential focus navigation. script
scroll-container-with-focusable-child-skipped A scroll container that already has a focusable descendant is not made redundantly focusable. spec ↗ script
scroll-container-keydown-arrow-scrolls When focused, arrow keys scroll the container; the container exposes a scrollTop that can change. script