CSSConditionRule interface

Category: CSS
Type: New or changed feature
Status: Enabled by default (Chrome 56)
Intent stage: None

Summary

The CSSConditionRule interface inherits from CSSGroupingRule. CSSMediaRule and CSSSupportsRule both inherit from CSSConditionRule. Before the introduction of CSSConditionRule in Blink, CSSMediaRule inherited from CSSGroupingRule, while CSSSupportsRule inherited from CSSRule and duplicated the members of CSSGroupingRule.

Standards & signals

Specification: https://drafts.csswg.org/css-conditional/#the-cssconditionrule-interface
Firefox: Shipped/Shipping
Safari: No signal
Web developers: No signals
Tracking bug: https://crbug.com/651792

Docs: https://developer.mozilla.org/en-US/docs/Web/API/CSSConditionRule

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