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---
title: BroadcastChannel.onmessageerror
slug: Web/API/BroadcastChannel/onmessageerror
translation_of: Web/API/BroadcastChannel/onmessageerror
---
<div>{{APIRef("HTML DOM")}}</div>
<p>位于 {{domxref("BroadcastChannel")}} 接口上的 <code><strong>onmessageerror</strong></code> 事件处理程序，它是一个 {{domxref("EventListener", "事件监听器")}}。当 <code>BroadcastChannel</code> 接收到一条无法 {{glossary("Deserialization", "反序列化")}}的消息时，会触发类型为 {{domxref("MessageError")}} 的 {{domxref("MessageEvent")}} 事件，此时会执行该事件处理程序。</p>
<p>{{AvailableInWorkers}}</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">bc.onmessageerror = function() { ... };</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">规范</th>
<th scope="col">状态</th>
<th scope="col">备注</th>
</tr>
<tr>
<td>{{SpecName('HTML WHATWG', '#handler-broadcastchannel-onmessageerror', 'onmessageerror')}}</td>
<td>{{Spec2('HTML WHATWG')}}</td>
<td></td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<div>
<p>{{Compat("api.BroadcastChannel.onmessageerror")}}</p>
</div>
<h2 id="另见">另见</h2>
<ul>
<li><a href="/en-US/docs/Web/API/Channel_Messaging_API/Using_channel_messaging">Using channel messaging</a></li>
</ul>
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