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---
title: RTCPeerConnection.iceGatheringState
slug: Web/API/RTCPeerConnection/iceGatheringState
translation_of: Web/API/RTCPeerConnection/iceGatheringState
---
<p>{{APIRef("WebRTC")}}{{SeeCompatTable}}</p>
<p>只读属性 <code><strong>RTCPeerConnection.iceGatheringState</strong></code> 返回一个描述连接的ICE收集状态的枚举值 <code>RTCIceGatheringState</code>。比如当ICE候选收集完成的时候，你可以通过该属性的变化侦测到。</p>
<p>通过监听 <code><a href="/en-US/docs/Web/API/RTCPeerConnection/icegatheringstatechange_event">icegatheringstatechange</a></code> 类型的事件，你可以侦测到该属性的变化。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"> var state = <em>RTCPeerConnection</em>.iceGatheringState;</pre>
<h3 id="值">值</h3>
<p>可能的值是枚举类型 <code>RTCIceGatheringState</code> 的所有值。</p>
<p>{{page("/en-US/docs/Web/API/RTCPeerConnection", "RTCIceGatheringState enum", 0, 1)}}</p>
<h2 id="例子">例子</h2>
<pre>var pc = new RTCPeerConnection();
var state = pc.iceGatheringState;</pre>
<h2 id="Specifications" name="Specifications">规格说明书</h2>
<table class="standard-table" style="height: 49px; width: 1000px;">
<thead>
<tr>
<th scope="col">规格</th>
<th scope="col">状态</th>
<th scope="col">说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{ SpecName('WebRTC 1.0', '#dom-peerconnection-ice-gathering-state', 'RTCPeerConnection.iceGatheringState') }}</td>
<td>{{ Spec2('WebRTC 1.0') }}</td>
<td>Initial specification.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性说明">浏览器兼容性说明</h2>
<p>{{Compat("api.RTCPeerConnection.iceGatheringState")}}</p>
<h2 id="See_also">See also</h2>
<ul>
<li>{{event("icegatheringstatechange")}}</li>
<li><a href="/en-US/docs/Web/Guide/API/WebRTC">WebRTC</a></li>
</ul>
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