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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: 'Worker: messageerror event'
+slug: Web/API/Worker/messageerror_event
+translation_of: Web/API/Worker/messageerror_event
+---
+<div>{{APIRef}}</div>
+
+<p>当 {{domxref('Worker')}} 对象接收到一条无法被反序列化的消息时, <code>messageerror</code> 事件将在该对象上被触发。</p>
+
+<table class="properties">
+ <tbody>
+ <tr>
+ <th scope="row">是否冒泡</th>
+ <td>否</td>
+ </tr>
+ <tr>
+ <th scope="row">是否可取消</th>
+ <td>否</td>
+ </tr>
+ <tr>
+ <th scope="row">接口</th>
+ <td>{{domxref("MessageEvent")}}</td>
+ </tr>
+ <tr>
+ <th scope="row">对应事件处理属性</th>
+ <td><code><a href="/en-US/docs/Web/API/Worker/onmessageerror">onmessageerror</a></code></td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="例子">例子</h2>
+
+<p>创建一个 worker ,使用 <code><a href="/en-US/docs/Web/API/EventTarget/addEventListener">addEventListener()</a></code> 监听 <code>message</code> 和 <code>messageerror</code> 事件:</p>
+
+<pre class="brush: js">// inside main.js
+
+const worker = new Worker("static/scripts/worker.js");
+
+worker.addEventListener("message", (event) =&gt; {
+ console.error(`Received message from worker: ${event}`);
+});
+
+worker.addEventListener("messageerror", (event) =&gt; {
+ console.error(`Error receiving message from worker: ${event}`);
+});</pre>
+
+<p>同样,可以使用 <code><a href="/en-US/docs/Web/API/WindowEventHandlers/onmessageerror">onmessageerror</a></code> 事件处理属性监听事件:</p>
+
+<pre class="brush: js">// inside main.js
+
+const worker = new Worker("static/scripts/worker.js");
+
+worker.onmessage = (event) =&gt; {
+ console.error(`Received message from worker: ${event}`);
+};
+
+worker.onmessageerror = (event) =&gt; {
+ console.error(`Error receiving message from worker: ${event}`);
+};</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', 'indices.html#event-messageerror')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.Worker.messageerror_event")}}</p>
+
+<h2 id="另请参阅">另请参阅</h2>
+
+<ul>
+ <li><code><a href="/en-US/docs/Web/API/Worker/postMessage">Worker.postMessage()</a></code></li>
+ <li>相关事件: <code><a href="/docs/Web/API/Worker/message_event">message</a></code>.</li>
+</ul>