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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: 'BroadcastChannel: messageerror イベント'
+slug: Web/API/BroadcastChannel/messageerror_event
+tags:
+ - Event
+translation_of: Web/API/BroadcastChannel/messageerror_event
+---
+<div>{{APIRef}}</div>
+
+<p><span class="seoSummary"><code>messageerror</code> イベントは、逆シリアル化できないメッセージがチャネルに到着したときに {{domxref('BroadcastChannel')}} オブジェクトに対して発生します。</span></p>
+
+<table class="properties">
+ <tbody>
+ <tr>
+ <th scope="row">バブリング</th>
+ <td>なし</td>
+ </tr>
+ <tr>
+ <th scope="row">キャンセル</th>
+ <td>不可</td>
+ </tr>
+ <tr>
+ <th scope="row">インターフェイス</th>
+ <td>{{domxref("MessageEvent")}}</td>
+ </tr>
+ <tr>
+ <th scope="row">イベントハンドラプロパティ</th>
+ <td>{{domxref("BroadcastChannel.onmessageerror","onmessageerror")}}</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Examples" name="Examples">例</h2>
+
+<p>このコードは <code><a href="/ja/docs/Web/API/EventTarget/addEventListener">addEventListener</a></code> を使用してメッセージとエラーをリッスンします。</p>
+
+<pre class="brush: js">const channel = new BroadcastChannel('example-channel');
+
+channel.addEventListener('message', (event) =&gt; {
+ received.textContent = event.data;
+});
+
+channel.addEventListener('messageerror', (event) =&gt; {
+ console.error(event);
+});</pre>
+
+<p>上と同じですが、{{domxref("BroadcastChannel.onmessage","onmessage")}} と {{domxref("BroadcastChannel.onmessageerror","onmessageerror")}} のイベントハンドラプロパティを使用します。</p>
+
+<pre class="brush: js">const channel = new BroadcastChannel('example-channel');
+
+channel.onmessage = (event) =&gt; {
+ received.textContent = event.data;
+};
+
+channel.onmessageerror = (event) =&gt; {
+ console.log(event);
+};
+</pre>
+
+<h2 id="Specifications" name="Specifications">仕様</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">仕様</th>
+ <th scope="col">状態</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', 'indices.html#event-messageerror')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2>
+
+
+
+<p>{{Compat("api.BroadcastChannel.messageerror_event")}}</p>
+
+<h2 id='See_also""' name='See_also""'>関連情報</h2>
+
+<ul>
+ <li>関連イベント: {{domxref("BroadcastChannel.message_event","message")}}。</li>
+</ul>