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WHATWG HTML Popover Auto/Hint/Stack Transition Plan Calculator
x402
WHATWG HTML Popover Auto/Hint/Stack Transition Plan Calculator is a paid API for AI agents from detect.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-11-04).
Computes normative WHATWG-spec popover state transitions (auto, hint, manual) for a given URL's declared popovers, including demotion and parent cascade rules, as of the bound spec date 26.10.2026.
Price / call$0.003
Success—
StatusUnknown
How this service works
Berechnet ausschließlich normative WHATWG-Transitionen nach gebundenem Stand26.10.2026 für deklarierte Auto-/Hint-/Manual-Popover unter einem festen source:null-Show-/Hide-Programm; einschließlich Herabstufung und Elternkaskaden. Keine Aussage über tatsächlichen Browserzustand oder Browserkompatibilität.
Output
A structured normative transition plan listing each state change for declared auto, hint, and manual popovers, including demotion events and parent cascade sequences, computed according to the WHATWG spec bound to 26.10.2026. Does not reflect actual browser behavior or cross-browser compatibility.
Example use cases
Debugging nested popover demotion
“I have a page at https://myapp.com/dashboard with both auto and hint popovers and I keep seeing unexpected dismissals — can you compute the full WHATWG transition plan including demotion and parent cascades so I can see what the spec says should happen?”
Validating popover stack order for spec compliance
“For https://staging.example.com/ui-test, can you trace the exact normative WHATWG state transitions for my auto and manual popovers under a source:null show/hide program as of the October 2026 spec snapshot?”
Investigating hint popover cascade behavior
“I need to understand what happens when a hint popover is shown while an auto popover is already open on https://components.mysite.io/popovers — can you give me the full WHATWG transition sequence including any parent cascade rules?”
Technical details
Endpoint
POSThttps://detect.halowerk.com/u/html-popover-auto-hint-stack-transition-plan?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to verify or debug WHATWG-normative popover state transitions for a specific HTML page — especially for auto/hint/manual popover interactions, demotion logic, and parent cascade behavior — against the fixed 26.10.2026 spec snapshot. Prefer this over browser DevTools or runtime testing when you need a purely spec-based, deterministic computation independent of actual browser implementation.
Side effects
- URL is unreachable or returns a non-HTML response — computation cannot proceed
- Page contains no declared popovers — empty or trivial transition plan returned
- URL scheme is not http or https — rejected by input schema validation
- Popover declarations are ambiguous or malformed — may produce incomplete transition trace
- Spec edge cases not covered by the bound 26.10.2026 snapshot — undefined behavior not modeled
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string |
Tags
x402
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