Animation

The Animation interface of the Web Animations API represents a single animation player and provides playback controls and a timeline for an animation node or source.

Constructor

Animation()

Creates a new Animation object instance.

Properties

Animation.currentTime

The current time value of the animation in milliseconds, whether running or paused. If the animation lacks a timeline, is inactive or hasn't been played yet, its value is null.

Animation.effect

Gets and sets the AnimationEffectReadOnly associated with this animation. This will usually be a KeyframeEffect object.

Animation.finished Read only

Returns the current finished Promise for this animation.

Animation.id

Gets and sets the String used to identify the animation.

Animation.playState Read only

Returns an enumerated value describing the playback state of an animation.

Animation.playbackRate

Gets or sets the playback rate of the animation.

Animation.ready Read only

Returns the current ready Promise for this animation.

Animation.startTime

Gets or sets the scheduled time when an animation's playback should begin.

Animation.timeline

Gets or sets the timeline associated with this animation.

Event handlers

Animation.oncancel

Gets and sets the event handler for the cancel event.

Animation.onfinish

Gets and sets the event handler for the finish event.

Methods

Animation.cancel()

Clears all keyframeEffects caused by this animation and aborts its playback.

Animation.finish()

Seeks either end of an animation, depending on whether the animation is playing or reversing.

Animation.pause()

Suspends playing of an animation.

Animation.play()

Starts or resumes playing of an animation, or begins the animation again if it previously finished.

Animation.reverse()

Reverses playback direction, stopping at the start of the animation. If the animation is finished or unplayed, it will play from end to beginning.

Specifications

Specification	Status	Comment
Web Animations The definition of 'Animation' in that specification.	Working Draft	Initial definition

Browser compatibility

[1] Before Chrome 44, implemented as AnimationPlayer (interface name in an early version of the spec).

[2] 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 dom.animations-api.core.enabled to true, and can disable it in any Firefox version by setting this preference to false.

[3] Prior to Firefox 51, the Animation.effect property was read-only.