at-rule()
The at-rule() function, when used with @supports, checks if a CSS at-rule is supported. For example @supports at-rule(@starting-style) checks if the @starting-style at-rule is supported.
Status
Limited availability
MDN documentation
No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.Specifications
Browser support
- Chrome ❌
- Chrome Android ❌
- Edge ❌
- Firefox ❌ Vendor position : unknown
- Firefox for Android ❌ Vendor position : unknown
- Safari ❌ Vendor position : unknown
- Safari on iOS ❌ Vendor position : unknown
View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist