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AnimationTimeline interface of the Web Animations API represents the timeline of an animation. This interface exists to define timeline features (inherited by
DocumentTimeline and future timeline types) and is not itself directly used by developers. Anywhere you see
AnimationTimeline, you should use
DocumentTimeline or any other timeline type instead.
- Returns the time value in milliseconds for this timeline or
nullif this timeline is inactive.
The definition of 'AnimationTimeline' in that specification.
|Working Draft||Editor's draft.|
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||No support||48 (48)||No support||No support||No support|
|Feature||Android||Android Webview||Firefox Mobile (Gecko)||Firefox OS||IE Mobile||Opera Mobile||Safari Mobile||Chrome for Android|
|Basic support||No support||No support||48.0 (48)||No support||No support||No support||No support||No support|
 The Web Animations API is only enabled by default in Firefox Developer Edition and Nightly builds. You can enable it in beta and release builds by setting the preference
true, and can disable it in any Firefox version by setting this preference to