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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 TransitionEvent() constructor returns a newly created TransitionEvent, representing an event in relation with an transition.


    transitionEvent = new TransitionEvent(type, {animationName: aPropertyName, 
                                                 elapsedTime  : aFloat, 
                                                 pseudoElement: aPseudoElementName});


    The TransitionEvent() constructor also inherits arguments from Event().

    Is a DOMString representing the name of the type of the TransitionEvent. It is case-sensitive and can only be: 'animationend'.
    animationName Optional
    Is a DOMString containing the value of the animation-name CSS property associated with the transition. It defaults to "".
    elapsedTime Optional
    Is 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). It defaults to 0.0.
    pseudoElement Optional
    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: "". It defaults to "".


    Specification Status Comment
    CSS Transitions
    The definition of 'TransitionEvent()' in that specification.
    Working Draft Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support Not supported 23.0 (23.0) Not supported Not supported Not supported
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support Not supported 23.0 (23.0) Not supported Not supported Not supported

    See also

    Document Tags and Contributors

    Contributors to this page: teoli, kscarfone
    Last updated by: teoli,