---
title: Navigator.activeVRDisplays
slug: Web/API/Navigator/activeVRDisplays
translation_of: Web/API/Navigator/activeVRDisplays
---
<div>{{DefaultAPISidebar("WebVR API")}}{{SeeCompatTable}}</div>

<p><strong><code>activeVRDisplays</code></strong>是{{domxref("Navigator")}} 接口返回的数组中每个{{domxref("VRDisplay")}}对象中的的只读属性({{domxref("VRDisplay.ispresenting")}}为<code>true</code>).</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox">var myActiveDisplays = navigator.activeVRDisplays;</pre>

<h3 id="返回值">返回值</h3>

<p>{{domxref("VRDisplay")}}对象数组.</p>

<h2 id="例子">例子</h2>

<pre class="brush: js">function showActive() {
  var displays = navigator.activeVRDisplays;
  for(var i = 0; i &lt; displays.length; i++) {
    console.log('Display ' + displays[i].displayId + ' is active.');
  }
}

</pre>

<h2 id="浏览器兼容性">浏览器兼容性</h2>



<p>{{Compat("api.Navigator.activeVRDisplays")}}</p>

<h2 id="相关链接">相关链接</h2>

<ul>
 <li><a href="/en-US/docs/Web/API/WebVR_API">WebVR API homepage</a></li>
 <li><a href="http://mozvr.com/">MozVr.com</a> — 示例，下载和其他在Mozilla VR团队的资源。</li>
</ul>