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---
title: AnimationEvent
slug: Web/API/AnimationEvent
tags:
- AnimationEvent
translation_of: Web/API/AnimationEvent
---
<p>{{SeeCompatTable}}{{APIRef("Web Animations API")}}</p>
<h2 id="Summary">Summary</h2>
<p><strong><code>AnimationEvent</code></strong> 接口表示提供与动画相关的信息的事件。</p>
<p>{{InheritanceDiagram}}</p>
<h2 id="Properties">Properties</h2>
<p><em>属性继承其父级{{domxref("Event")}}</em>.</p>
<dl>
<dt>{{domxref("AnimationEvent.animationName")}} {{readonlyInline}}</dt>
<dd>Is a {{domxref("DOMString")}} containing the value of the {{cssxref("animation-name")}} CSS property associated with the transition.</dd>
<dt>{{domxref("AnimationEvent.elapsedTime")}} {{readonlyInline}}</dt>
<dd>Is a <code>float</code> 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 <code>"animationstart"</code> event, <code>elapsedTime</code> is <code>0.0</code> unless there was a negative value for {{cssxref("animation-delay")}}, in which case the event will be fired with <code>elapsedTime</code> containing <code>(-1 * </code><em>delay</em><code>)</code>.</dd>
<dt>{{domxref("AnimationEvent.pseudoElement")}} {{readonlyInline}}</dt>
<dd>Is a {{domxref("DOMString")}}, starting with <code>'::'</code>, containing the name of the <a href="/en-US/docs/Web/CSS/Pseudo-elements" title="/en-US/docs/Web/CSS/Pseudo-elements">pseudo-element</a> the animation runs on. If the animation doesn't run on a pseudo-element but on the element, an empty string: <code>''</code><code>.</code></dd>
</dl>
<h2 id="Constructor">Constructor</h2>
<dl>
<dt>{{domxref("AnimationEvent.AnimationEvent", "AnimationEvent()")}}</dt>
<dd>Creates an <code>AnimationEvent</code> event with the given parameters.</dd>
</dl>
<h2 id="Methods">Methods</h2>
<p><em>Also inherits methods from its parent {{domxref("Event")}}</em>.</p>
<dl>
<dt>{{domxref("AnimationEvent.initAnimationEvent()")}} {{non-standard_inline}}{{deprecated_inline}}</dt>
<dd>Initializes a <code>AnimationEvent</code> created using the deprecated {{domxref("Document.createEvent()", "Document.createEvent(\"AnimationEvent\")")}} method.</dd>
</dl>
<h2 id="Specifications">Specifications</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{ SpecName('CSS3 Animations', '#AnimationEvent-interface', 'AnimationEvent') }}</td>
<td>{{ Spec2('CSS3 Animations') }}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility">Browser compatibility</h2>
<p>{{ CompatibilityTable() }}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Basic support</td>
<td>1.0 {{ property_prefix("webkit") }}</td>
<td>{{ CompatGeckoDesktop("6.0") }}</td>
<td>10.0</td>
<td>12 {{ property_prefix("o") }}<br>
12.10 (without prefix)<br>
15.0 {{ property_prefix("webkit") }}</td>
<td>4.0 {{ property_prefix("webkit") }}</td>
</tr>
<tr>
<td><code>AnimationEvent()</code> constructor</td>
<td>{{CompatNo}}</td>
<td>{{ CompatGeckoDesktop("23.0") }}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
</tr>
<tr>
<td><code>initAnimationEvent()</code> {{non-standard_inline}}{{deprecated_inline}}</td>
<td>1.0</td>
<td>{{ CompatGeckoDesktop("6.0") }}<br>
Removed in {{ CompatGeckoDesktop("23.0") }}</td>
<td>10.0</td>
<td>12</td>
<td>4.0</td>
</tr>
<tr>
<td><code>pseudoelement</code></td>
<td>{{CompatNo}}</td>
<td>{{ CompatGeckoDesktop("23.0") }}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatVersionUnknown}}{{ property_prefix("webkit") }}</td>
<td>{{ CompatGeckoMobile("6.0") }}</td>
<td>10.0</td>
<td>12 {{ property_prefix("o") }}<br>
12.10 (without prefix)<br>
15.0 {{ property_prefix("webkit") }}</td>
<td>{{CompatVersionUnknown}}{{ property_prefix("webkit") }}</td>
</tr>
<tr>
<td><code>AnimationEvent()</code> constructor</td>
<td>{{CompatNo}}</td>
<td>{{ CompatGeckoMobile("23.0") }}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
</tr>
<tr>
<td><code>initAnimationEvent()</code> {{non-standard_inline}}{{deprecated_inline}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{ CompatGeckoMobile("6.0") }}<br>
Removed in {{ CompatGeckoMobile("23.0") }}</td>
<td>10.0</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatVersionUnknown}}</td>
</tr>
<tr>
<td><code>pseudoelement</code></td>
<td>{{CompatNo}}</td>
<td>{{ CompatGeckoMobile("23.0") }}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
</tr>
</tbody>
</table>
</div>
<h2 id="See_also">See also</h2>
<ul>
<li><a href="/en-US/docs/CSS/Using_CSS_animations">Using CSS animations</a></li>
<li>{{cssxref("animation")}}, {{cssxref("animation-delay")}}, {{cssxref("animation-direction")}}, {{cssxref("animation-duration")}}, {{cssxref("animation-fill-mode")}}, {{cssxref("animation-iteration-count")}}, {{cssxref("animation-name")}}, {{cssxref("animation-play-state")}}, {{cssxref("animation-timing-function")}}, {{cssxref("@keyframes")}}.</li>
</ul>
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