This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The Animation() constructor of the Web Animations API returns a new Animation object instance.

Syntax

var animation = new Animation([effect][, timeline]);

Parameters

effect Optional
The target effect, as an object based on the AnimationEffectReadOnly interface, to assign to the animation. Although in the future other effects such as SequenceEffects or GroupEffects might be possible, the only kind of effect currently available is KeyframeEffect. This can be null (which is the default) to indicate that there should be no effect applied.
timeline Optional
Specifies the timeline with which to associate the animation, as an object of a type based on the AnimationTimeline interface. Currently the only timeline type available is DocumentTimeline, but in the future there my be timelines associated with gestures or scrolling, for example. The default value is Document.timeline, but this can be set to null as well.

Examples

In the Follow the White Rabbit example, the Animation() constructor is used to create an Animation for the rabbitDownKeyframes using the document's timeline:

var rabbitDownAnimation = new Animation(rabbitDownKeyframes, document.timeline);

Specifications

Specification Status Comment
Web Animations
The definition of 'Animation()' in that specification.
Working Draft Editor's draft.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
Experimental
Chrome Full support 61Edge ? Firefox Full support 48
Full support 48
No support 46 — 48
Disabled
Disabled From version 46 until version 48 (exclusive): this feature is behind the dom.animations-api.core.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
IE No support NoOpera ? Safari No support NoWebView Android Full support 61Chrome Android Full support 61Edge Mobile ? Firefox Android Full support 48
Full support 48
No support 46 — 48
Disabled
Disabled From version 46 until version 48 (exclusive): this feature is behind the dom.animations-api.core.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Opera Android ? Safari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.
User must explicitly enable this feature.

See also

Document Tags and Contributors

Last updated by: fscholz,