This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
Animation.timeline property of the
Animation interface returns or sets the
timeline associated with this animation. A timeline is a source of time values for synchronization purposes, and is an
AnimationTimeline-based object. By default, the animation's timeline and the
Document's timeline are the same.
var animationsTimeline = Animation.timeline; Animation.timeline = newTimeline;
Here we set the animation's timeline to be the same as the document's timeline (this is the default timeline for all animations, by the way):
animation.timeline = document.timeline;
The definition of 'Animation.timeline' in that specification.
|Working Draft||Editor's draft.|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||No support||48 (48)||No support||No support||No support|
|Feature||Android||Firefox Mobile (Gecko)||IE Phone||Opera Mobile||Safari Mobile|
|Basic support||No support||48.0 (48)||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