AnimationEvent()

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这是一个实验中的功能
此功能某些浏览器尚在开发中,请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订,所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

The AnimationEvent() constructor returns a newly created AnimationEvent, representing an event in relation with an animation.

语法

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

参数

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

type
A DOMString 代表AnimationEvent类型的名称。大小写敏感,有三个值可选:'animationstart', 'animationend', 和 'animationiteration'。
animationName 可选
A DOMString containing the value of the animation-name CSS property associated with the transition. It defaults to "".
elapsedTime 可选
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). It defaults to 0.0.
pseudoElement 可选
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 ""

标准

Specification Status Comment
CSS Animations
AnimationEvent()
Working Draft Initial definition.

浏览器兼容性

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 43.0 23.0 (23.0) 未实现 未实现 未实现
pseudoElement 未实现 23.0 (23.0) 未实现 未实现 未实现
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support 未实现 23.0 (23.0) 未实现 未实现 未实现 43.0
pseudoElement 未实现 23.0 (23.0) 未实现 未实现 未实现 未实现

参考

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