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---
title: 'WebSocket: message event'
slug: Web/API/WebSocket/message_event
translation_of: Web/API/WebSocket/message_event
---
<div>
<p>{{APIRef}}</p>
<p><code>message</code> 事件会在 <code>WebSocket</code> 接收到新消息时被触发。</p>
<table>
<tbody>
<tr>
<th scope="row">起泡（Bubbles）</th>
<td>不</td>
</tr>
<tr>
<th scope="row">可取消</th>
<td>不</td>
</tr>
<tr>
<th scope="row">接口</th>
<td>{{domxref("MessageEvent")}}</td>
</tr>
<tr>
<th scope="row">事件处理程序属性</th>
<td>{{ domxref("WebSocket.onmessage","onmessage")}}</td>
</tr>
</tbody>
</table>
<h2 id="例子">例子</h2>
<pre>// 创建一个 WebSocket 连接
const socket = new WebSocket('ws://localhost:8080');
// 监听消息
socket.addEventListener('message', function (event) {
console.log('Message from server ', event.data);
});</pre>
<h2 id="规范">规范</h2>
<table>
<thead>
<tr>
<th>规范</th>
<th>状态</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName("HTML WHATWG", "web-sockets.html#event-message", "WebSocket message")}}</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.WebSocket.message_event")}}</p>
<h2 id="另看">另看</h2>
<ul>
<li><a href="/en-US/docs/Web/API/WebSocket/close_event">WebSocket: close event</a></li>
<li><a href="/en-US/docs/Web/API/WebSocket/error_event">WebSocket: error event</a></li>
<li><a href="/en-US/docs/Web/API/WebSocket/open_event">WebSocket: open event</a></li>
<li><a href="/en-US/docs/WebSockets/Writing_WebSocket_client_applications">Writing WebSocket client applications</a></li>
<li></li>
</ul>
</div>
<ul>
<li></li>
</ul>
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