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+---
+title: RTCPeerConnection.remoteDescription
+slug: Web/API/RTCPeerConnection/remoteDescription
+tags:
+  - RTCPeerConnection
+  - WebRTC
+  - remoteDescription
+  - 中文
+translation_of: Web/API/RTCPeerConnection/remoteDescription
+---
+<p>{{APIRef("WebRTC")}}{{SeeCompatTable}}</p>
+
+<p>只读属性 <code><strong>RTCPeerConnection.remoteDescription</strong></code> 返回一个 {{domxref("RTCSessionDescription")}} ，它描述了和远程对端之间的会话(包括配置和媒体信息) ，如果还没有被设置过的话，它会是 <code>null</code>.</p>
+
+<p>这个值通常是通过信令服务器接收的对端的会话描述（作为提议或应答），调用{{domxref("RTCPeerConnection.setRemoteDescription()")}}之后生效。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre> var <em>sessionDescription</em> = <em>peerConnection</em>.remoteDescription;</pre>
+
+<p>从更基础的层面上看，如果该属性不为<code>null</code>，则返回值为{{domxref("RTCPeerConnection.pendingRemoteDescription")}}的值，否则，返回{{domxref("RTCPeerConnection.currentRemoteDescription")}}的值。有关此算法的详细信息及其使用原因，请参阅{{SectionOnPage("/en-US/docs/Web/API/WebRTC_API/Connectivity", "Pending and current descriptions")}}。</p>
+
+<h2 id="示例">示例</h2>
+
+<p>此示例查看<code>remoteDescription</code>并显示包含{{domxref("RTCSessionDescription")}}对象的<font face="consolas, Liberation Mono, courier, monospace"><span style="background-color: rgba(220, 220, 220, 0.5);">type</span></font>和<code>sdp</code>字段的警告。</p>
+
+<pre class="brush:js">var pc = new RTCPeerConnection();
+…
+var sd = pc.remoteDescription;
+if (sd) {
+  alert("Remote session: type='" +
+        sd.type + "'; sdp description='" +
+        sd.sdp + "'");
+}
+else {
+  alert("No remote session yet.");
+}
+</pre>
+
+<h2 id="Specifications" name="Specifications">规范</h2>
+
+<table class="standard-table" style="height: 49px; width: 1000px;">
+ <thead>
+  <tr>
+   <th scope="col">标准</th>
+   <th scope="col">状态</th>
+   <th scope="col">说明</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{ SpecName('WebRTC 1.0', '#widl-RTCPeerConnection-remoteDescription', 'RTCPeerConnection.remoteDescription') }}</td>
+   <td>{{ Spec2('WebRTC 1.0') }}</td>
+   <td>初始化规范</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.RTCPeerConnection.remoteDescription")}}</p>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{domxref("RTCPeerConnection.setRemoteDescription()")}}, {{domxref("RTCPeerConnection.pendingRemoteDescription")}}, {{domxref("RTCPeerConnection.currentRemoteDescription")}}</li>
+ <li>{{domxref("RTCPeerConnection.setLocalDescription()")}}, {{domxref("RTCPeerConnection.pendingLocalDescription")}}, {{domxref("RTCPeerConnection.currentLocalDescription")}}, {{domxref("RTCPeerConnection.localDescription")}}</li>
+ <li><a href="/en-US/docs/Web/Guide/API/WebRTC">WebRTC</a></li>
+</ul>