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

The AnimationEvent interface represents events providing information related to animations.



Creates an AnimationEvent event with the given parameters.


Also inherits properties from its parent Event.

AnimationEvent.animationName Read only

Is a DOMString containing the value of the animation-name that generated the animation.

AnimationEvent.elapsedTime Read only

Is a float giving the amount of time the animation has been running, in seconds, when this event fired, excluding any time the animation was paused. For an animationstart event, elapsedTime is 0.0 unless there was a negative value for animation-delay, in which case the event will be fired with elapsedTime containing (-1 * delay).

AnimationEvent.pseudoElement Read only

Is a DOMString, starting with '::', containing the name of the pseudo-element the animation runs on. If the animation doesn't run on a pseudo-element but on the element, an empty string: ''.


Inherits methods from its parent, Event.


CSS Animations Level 2 (CSS Animations 2)
# interface-animationevent

Browser compatibility

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See also