---
title: metadata
slug: Web/SVG/Element/metadata
tags:
  - SVG
  - SVG描述
  - 元素
translation_of: Web/SVG/Element/metadata
---
<div>{{SVGRef}}</div>

<p><code>metadata</code>是数据的结构化数据。SVG内容里面包含的元数据必须放在<code>metadata</code>元素里面。<code>medatata</code>的内容物必须是来自其它XML命名空间的元素，比如说RDF、FOAT，等等。</p>

<h2 id="用法">用法</h2>

<p>{{svginfo}}</p>

<h2 id="示例">示例</h2>

<h2 id="属性">属性</h2>

<h3 id="全局属性">全局属性</h3>

<ul>
 <li><a href="/en-US/SVG/Attribute#Core">核心属性</a> »</li>
</ul>

<h3 id="专有属性">专有属性</h3>

<p><em>没有专有属性</em></p>

<h2 id="DOM_接口">DOM 接口</h2>

<p>该元素实现了<code><a href="/en-US/DOM/SVGMetadataElement">SVGMetadataElement</a></code>接口。</p>

<h2 id="浏览器兼容性">浏览器兼容性</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</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>1.0</td>
   <td>{{CompatGeckoDesktop('1.8')}}</td>
   <td>{{CompatIE('9.0')}}</td>
   <td>{{CompatOpera('8.0')}}</td>
   <td>{{CompatSafari('3.0.4')}}</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>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatAndroid('3.0')}}</td>
   <td>{{CompatGeckoMobile('1.8')}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatSafari('3.0.4')}}</td>
  </tr>
 </tbody>
</table>
</div>

<p>该表格基于<a href="/en-US/SVG/Compatibility_sources">这些数据</a>。</p>