CSSSupportsRule
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.
TheCSSSupportsRule interface represents a single CSS@supportsat-rule.
Instance properties
Inherits properties from its ancestorsCSSConditionRule,CSSGroupingRule, andCSSRule.
Instance methods
Inherits methods from its ancestorsCSSConditionRule,CSSGroupingRule, andCSSRule.
Examples
The CSS includes a CSS feature query using the@supportsat-rule, containing one style rule. This will be the first CSSRule returned bydocument.styleSheets[0].cssRules.myRules[0] therefore returns aCSSSupportsRule object.
css
@supports (display: grid) { body { color: blue; }}js
let myRules = document.styleSheets[0].cssRules;console.log(myRules[0]); // a CSSSupportsRule representing the feature query.Specifications
| Specification |
|---|
| CSS Conditional Rules Module Level 3 # the-csssupportsrule-interface |