This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.
The cssRules property of the CSSGroupingRule interface returns a CSSRuleList containing a collection of CSSRule objects.
a CSSRuleList.
let myRules = document.styleSheets[0].cssRules; console.log(myRules);
| Specification |
|---|
| CSS Object Model (CSSOM)> # dom-cssgroupingrule-cssrules> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
cssRules |
45 | 12 | 20 | 32 | 3 | 45 | 20 | 32 | 2 | 5.0 | 45 | 2 |
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https://developer.mozilla.org/en-US/docs/Web/API/CSSGroupingRule/cssRules