The CSSSupportsRule
interface represents a single CSS @supports
at-rule
.
CSSSupportsRule
Properties
Inherits properties from its ancestors CSSConditionRule
, CSSGroupingRule
, and CSSRule
.
Methods
Inherits methods from its ancestors CSSConditionRule
, CSSGroupingRule
, and CSSRule
.
Examples
The CSS includes a CSS feature query using the @supports
at-rule
, containing one style rule. This will be the first CSSRule returned by document.styleSheets[0].cssRules
. myRules[0]
therefore returns a CSSSupportsRule
object.
@supports (display: grid) { body { color: blue; } }
let myRules = document.styleSheets[0].cssRules; console.log(myRules[0]); // a CSSSupportsRule representing the feature query.
Specifications
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
CSSSupportsRule |
28
|
12
|
22
|
No
|
12.1
|
9
|
4.4
|
28
|
22
|
15
12.1-14
|
9
|
1.5
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CSSSupportsRule