CSSStartingStyleRule

Baseline 2024

Newly available

Since August 2024, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

The CSSStartingStyleRule interface of the CSS Object Model represents a CSS @starting-style at-rule.

Instance properties

Inherits properties from its ancestors CSSGroupingRule and CSSRule.

Inherits methods from its ancestors CSSGroupingRule and CSSRule.

Specification
CSS Transitions Module Level 2 # the-cssstartingstylerule-interface

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`CSSStartingStyleRule`	Chrome – Full support Chrome 117 (Release date: 2023-09-12) footnote Full support	Edge – Full support Edge 117 (Release date: 2023-09-15) footnote Full support	Firefox – Full support Firefox 129 (Release date: 2024-08-06) footnote Full support	Opera – Full support Opera 103 (Release date: 2023-10-03) footnote Full support	Safari – Full support Safari 17.5 (Release date: 2024-05-13) footnote Full support	Chrome Android – Full support Chrome Android 117 (Release date: 2023-09-12) footnote Full support	Firefox for Android – Full support Firefox for Android 129 (Release date: 2024-08-06) footnote Full support	Opera Android – Full support Opera Android 78 (Release date: 2023-10-23) footnote Full support	Safari on iOS – Full support Safari on iOS 17.5 (Release date: 2024-05-13) footnote Full support	Samsung Internet – Full support Samsung Internet 24 (Release date: 2024-01-25) footnote Full support	WebView Android – Full support WebView Android 117 (Release date: 2023-09-12) footnote Full support	WebView on iOS – Full support WebView on iOS 17.5 (Release date: 2024-05-13) footnote Full support

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