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---
title: BroadcastChannel.name
slug: Web/API/BroadcastChannel/name
translation_of: Web/API/BroadcastChannel/name
---
<p>{{APIRef("BroadCastChannel API")}}</p>
<p><code><strong>BroadcastChannel.name</strong></code> 是类型为 {{domxref("DOMString")}} 的只读属性，是频道的唯一标识。属性 name 是在创建时传入 {{domxref("BroadcastChannel.BroadCastChannel", "BroadcastChannel()")}} 构造函数的，所以是只读的。</p>
<p>{{AvailableInWorkers}}</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">var <em>str</em> = <em>channe<code>l</code></em><code>.name;</code>
</pre>
<h2 id="示例">示例</h2>
<pre class="brush: js">// 连接到指定频道
var bc = new BroadcastChannel('test_channel');
// 其它操作 (如: postMessage, …)
// 在控制台打印频道名称
console.log(bc.name); // "test_channel"
// 当完成后，断开与频道的连接
bc.close();</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', "comms.html#dom-broadcastchannel-name", "BroadcastChannel.name")}}</td>
<td>{{Spec2('HTML WHATWG')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("api.BroadcastChannel.name")}}</p>
<h2 id="参见">参见</h2>
<ul>
<li>所属接口：{{domxref("BroadcastChannel")}}</li>
</ul>
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