The CSSSupportsRule
interface describes an object representing a single CSS @supports
at-rule. It implements the CSSConditionRule
interface, and therefore the CSSRule
and CSSGroupingRule
interfaces with a type value of 12
(CSSRule.SUPPORTS_RULE
).
Syntax
The syntax is described using the WebIDL format.
interface CSSSupportsRule : CSSConditionRule { }
Properties
As a CSSConditionRule
and therefore a CSSRule
and a CSSGroupingRule
, CSSSupportsRule
also implements the properties of these interfaces. It has no specific properties.
Methods
As a CSSConditionRule
and therefore a CSSRule
and a CSSGroupingRule
, CSSSupportsRule
also implements the methods of that interface. It has no specific methods.
Specification
Specification | Status | Comment |
---|---|---|
CSS Conditional Rules Module Level 3 The definition of 'CSSSupportsRule' in that specification. |
Candidate Recommendation | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
CSSSupportsRule | Chrome No support No | Edge No support ≤18 — 79 | Firefox
Full support
17
| IE No support No | Opera Full support 12.1 | Safari No support No | WebView Android No support No | Chrome Android No support No | Firefox Android
Full support
17
| Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
Legend
- Full support
- Full support
- No support
- No support
- See implementation notes.
- See implementation notes.
- User must explicitly enable this feature.
- User must explicitly enable this feature.