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---
title: VRPose.timestamp
slug: Web/API/VRPose/timeStamp
translation_of: Web/API/VRPose/timeStamp
---
<div>{{APIRef("WebVR API")}}{{SeeCompatTable}}</div>
<p><strong><code>timestamp</code></strong> 是 {{domxref("VRPose")}} 接口的只读属性，返回为系统此时的时间戳 — 一个单调递增的数值，代表这个软件启动到现在的时间。</p>
<p>这个属性对于确定位置数据是否已更新和什么次序更新了很有用。</p>
<h2 id="Syntax">Syntax</h2>
<pre class="brush: js">var myTimeStamp = VRPose.timestamp;</pre>
<h3 id="Value">Value</h3>
<p>{{domxref("DOMHighResTimeStamp")}} 代表时间戳，以秒为单位.</p>
<h2 id="Examples">Examples</h2>
<pre>TBD.</pre>
<h2 id="Specifications">Specifications</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName('WebVR', '#dom-vrpose-timestamp', 'timestamp')}}</td>
<td>{{Spec2('WebVR')}}</td>
<td>初始定义</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility">Browser compatibility</h2>
<p>{{CompatibilityTable}}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari (WebKit)</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Phone</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
<th>Chrome for Android</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatNo}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
</tr>
</tbody>
</table>
</div>
<h2 id="See_also">See also</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> — 来自于Mozilla的VR团队的模板、下载以及其他其他资源。</li>
</ul>
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