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conformance · v136
v136 · structured-headings-the-headingoffset-headingreset-attributes-and-the-heading-ps — conformance probe
5 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.
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pass
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fail
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blocked
5
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
headingoffset-attribute-reflected |
HTMLElement reflects the `headingoffset` content attribute via the IDL `headingOffset` integer. spec ↗ | script | … | |
headingreset-attribute-reflected |
HTMLElement reflects the `headingreset` content attribute. spec ↗ | script | … | |
heading-pseudo-class |
The :heading pseudo-class is a valid selector for matching all h1-h6 elements at once. spec ↗ | script | … | |
h1-still-renders |
Plain <h1> still renders as a heading element (the new attributes are additive). | script | … | |
headingoffset-on-section |
Setting headingoffset on a parent <section> is reflected as an attribute on the element. spec ↗ | script | … |