---
title: Performance.timing
slug: Web/API/Performance/timing
tags:
  - Navigation Timing
  - Navigation Timing API
  - Performance
translation_of: Web/API/Performance/timing
---
<p>{{APIRef("Navigation Timing")}}{{deprecated_header}}</p>

<div class="warning">
<p>该属性在 <a href="https://w3c.github.io/navigation-timing/#obsolete">Navigation Timing Level 2 specification</a> 中已经被废弃，请使用 {{domxref("Performance.timeOrigin")}} 替代。</p>
</div>

<p><code><strong>Performance</strong></code><strong><code>.timing</code></strong> 只读属性返回一个 {{domxref("PerformanceTiming")}} 对象，这个对象包括了页面相关的性能信息。</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox notranslate"><em>timingInfo</em> = <em>performance</em>.timing;</pre>

<h2 id="规范">规范</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">规范名</th>
   <th scope="col">状态</th>
   <th scope="col">描述</th>
  </tr>
  <tr>
   <td>{{SpecName('Navigation Timing', '#sec-window.performance-attribute', 'Performance.timing')}}</td>
   <td>{{Spec2('Navigation Timing')}}</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.Performance.timing")}}</p>

<h2 id="相关">相关</h2>

<ul>
 <li>{{domxref("Performance")}} 接口.</li>
</ul>