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    This is an experimental technology
    Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use 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 spec changes.

    The AnimationEvent interface represents events providing information related to animations.


    Also inherits properties from its parent Event.

    AnimationEvent.animationName Read only
    Is a DOMString containing the value of the animation-name CSS property associated with the transition.
    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: ''.


    Creates an AnimationEvent event with the given parameters.


    Also inherits methods from its parent Event.

    Initializes a AnimationEvent created using the deprecated Document.createEvent("AnimationEvent") method.


    Specification Status Comment
    CSS Animations
    The definition of 'AnimationEvent' in that specification.
    Working Draft Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support

    1.0 webkit


    6.0 (6.0) 10.0 12 o
    15.0 webkit
    4.0 webkit
    AnimationEvent() constructor


    23.0 (23.0) Not supported Not supported Not supported
    initAnimationEvent() 1.0 6.0 (6.0)
    Removed in 23.0 (23.0)
    10.0 12 4.0
    pseudoelement Not supported 23.0 (23.0) Not supported Not supported Not supported
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
    Basic support (Yes)webkit 6.0 (6.0) 10.0 12 o
    15.0 webkit
    (Yes)webkit 43.0
    AnimationEvent() constructor Not supported 23.0 (23.0) Not supported Not supported Not supported 43.0
    initAnimationEvent() (Yes) 6.0 (6.0)
    Removed in 23.0 (23.0)
    10.0 (Yes) (Yes) Not supported
    pseudoelement Not supported 23.0 (23.0) Not supported Not supported Not supported Not supported

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy, fscholz, myakura, Jeremie, teoli, jpmedley
    Last updated by: Jeremie,