This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage 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 specification changes.
The AnimationEvent()
constructor returns a newly created AnimationEvent
, representing an event in relation with an animation.
Syntax
animationEvent = new AnimationEvent(type, {animationName: aPropertyName, elapsedTime : aFloat, pseudoElement: aPseudoElementName});
Parameters
The AnimationEvent()
constructor also inherits arguments from Event()
.
type
- A
DOMString
representing the name of the type of theAnimationEvent
. It is case-sensitive and can be:'animationstart'
,'animationend'
, or'animationiteration'
. animationName
Optional- A
DOMString
containing the value of theanimation-name
CSS property associated with the transition. It defaults to""
. elapsedTime
Optional- 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
is0.0
unless there was a negative value foranimation-delay
, in which case the event will be fired withelapsedTime
containing(-1 *
delay)
. It defaults to0.0
. 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 itself, specify an empty string:""
. It defaults to""
.
Return value
A new AnimationEvent
, initialized per any provided options.
Specifications
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 | 43.0 | 23.0 (23.0) | No support | No support | No support |
pseudoElement |
No support | 23.0 (23.0) | No support | No support | No support |
Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|
Basic support | No support | 23.0 (23.0) | No support | No support | No support | 43.0 |
pseudoElement |
No support | 23.0 (23.0) | No support | No support | No support | No support |
See also
- Using CSS animations
- Animation-related CSS properties and at-rules:
animation
,animation-delay
,animation-direction
,animation-duration
,animation-fill-mode
,animation-iteration-count
,animation-name
,animation-play-state
,animation-timing-function
,@keyframes
- The
AnimationEvent
interface it belongs to.