← back to v137 · css-if-function
conformance · v137
v137 · css-if-function — 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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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
if-with-supports-and-else |
CSS.supports() recognises a property value using if() with a supports() condition and an else branch. spec ↗ | css-supports | … | |
if-with-media-condition |
if() accepts media() conditions for media-query-driven values. spec ↗ | css-supports | … | |
if-with-style-query |
if() accepts style() conditions, mirroring @container style() queries. spec ↗ | css-supports | … | |
if-multiple-branches |
if() supports multiple semicolon-separated branches evaluated in order. spec ↗ | css-supports | … | |
if-resolves-in-getcomputedstyle |
An element using if() resolves to one of the branches when read via getComputedStyle. spec ↗ | script | … | |
if-not-supported-as-property |
if() is a value-level construct, not a property; CSS.supports must reject 'if' as a property name. spec ↗ | script | … |