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---
title: EventTarget.fireEvent()
slug: Web/API/EventTarget/fireEvent
translation_of: Web/API/EventTarget/dispatchEvent
translation_of_original: Web/API/EventTarget/fireEvent
---
<p>{{APIRef("DOM Events")}}</p>

<p>{{ Non-standard_header() }}</p>

<h2 id="概述">概述</h2>

<p>这是微软IE浏览器用以替代{{domxref("EventTarget.dispatchEvent()")}}的私有方法,与{{domxref("EventTarget.dispatchEvent()")}}不同的是通过<code>fireEvent()</code> 触发的事件不会触发事件的默认行为,例如,通过fireEvent()触发&lt;input type="checkbox"&gt;的点击事件并不会切换checkbox的选中状态</p>

<p>语法</p>

<pre class="syntaxbox"><em>cancelled</em> = <em>target</em>.fireEvent(<em>eventNameWithOn</em>, <em>event</em>)
</pre>

<dl>
 <dt>target</dt>
 <dd>要触发事件的元素</dd>
 <dt>eventNameWithOn</dt>
 <dd>要触发事件的名字,前缀为“on”,例如,可以用过"onclick"来触发点击事件</dd>
 <dt>event</dt>
 <dd>要触发的事件对象</dd>
 <dt>cancelled</dt>
 <dd>布尔值,事件是否被事件句柄取消</dd>
</dl>

<h2 id="规范">规范</h2>

<p>无此部分的规范</p>

<p>微软的描述: <a href="https://msdn.microsoft.com/en-us/library/ms536423(v=vs.85).aspx">has a description on MSDN</a>.</p>

<h2 id="Browser_Compatibility" name="Browser_Compatibility">浏览器兼容性</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 (WebKit)</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
   <td>6 到 10 [1]</td>
   <td>{{ CompatUnknown() }}</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 Phone</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatUnknown() }}</td>
   <td>{{ CompatNo() }}</td>
  </tr>
 </tbody>
</table>
</div>

<p>[1]: fireEvent()在IE11+已经不再支持,{{domxref("EventTarget.dispatchEvent()")}}在IE9+已经支持</p>

<h2 id="相关链接">相关链接</h2>

<ul>
 <li><a href="http://help.dottoro.com/ljvtddtm.php">Dottoro Web Reference article</a></li>
</ul>