← back to v134 · customizable-select-element
conformance · v134
v134 · customizable-select-element — 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.
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pass
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fail
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blocked
6
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
appearance-base-select |
select supports appearance: base-select to opt into the customizable rendering model. | css-supports | … | |
selectedcontent-element-defined |
<selectedcontent> is a known HTML element (HTMLElement, not HTMLUnknownElement). | script | … | |
select-allows-rich-children |
When appearance: base-select is set, a <select> can host arbitrary descendants (div, span) without the parser stripping them. | script | … | |
select-popover-attribute |
A <select> in base appearance exposes a popover-like picker; the underlying picker uses the popover algorithm so showPicker is callable. | typeof | … | |
option-base-appearance |
appearance: base-select also flows through to <option> so descendant content can be styled. | css-supports | … | |
select-still-form-associated |
Custom-rendered select is still form-associated — form attribute and name continue to work. | script | … |