---
title: HTMLBaseElement
slug: Web/API/HTMLBaseElement
tags:
  - 接口
translation_of: Web/API/HTMLBaseElement
---
<div>
<div>{{APIRef("HTML DOM")}}</div>
</div>

<div> </div>

<p><strong><code>HTMLBaseElement</code></strong> 接口包含一份HTML文件的基础 URI设定，该对象继承了所有 {{domxref("HTMLElement")}} 接口中定义的方法与属性。</p>

<h2 id="属性">属性</h2>

<p><em>继承了其父级 {{domxref("HTMLElement")}} 的所有属性</em></p>

<dl>
 <dt>{{domxref("HTMLBaseElement.href")}}</dt>
 <dd>映射自 {{domxref("DOMString")}}  HTML {{htmlattrxref("href", "base")}} 特性，包含了当前文档中所有相对 URL 地址的基准URL。</dd>
 <dt>{{domxref("HTMLBaseElement.target")}}</dt>
 <dd>Is a {{domxref("DOMString")}} that reflects the {{htmlattrxref("target", "base")}} HTML attribute, containing a default target browsing context or frame for elements that do not have a target reference specified.</dd>
</dl>

<h2 id="方法">方法</h2>

<p><em>没有特殊的方法，继承了其父级 {{domxref("HTMLElement")}} 的所有特性。</em></p>

<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('HTML WHATWG', "semantics.html#the-base-element", "HTMLBaseElement")}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td>No change from latest snapshot, {{SpecName("HTML5.1")}}.</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5.1', "document-metadata.html#the-base-element", "HTMLBaseElement")}}</td>
   <td>{{Spec2('HTML5.1')}}</td>
   <td>No change from {{SpecName("HTML5 W3C")}}</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5 W3C', "document-metadata.html#the-base-element", "HTMLBaseElement")}}</td>
   <td>{{Spec2('HTML5 W3C')}}</td>
   <td>No change from {{SpecName("DOM2 HTML")}}.</td>
  </tr>
  <tr>
   <td>{{SpecName('DOM2 HTML', 'html.html#ID-73629039', 'HTMLBaseElement')}}</td>
   <td>{{Spec2('DOM2 HTML')}}</td>
   <td>No change from {{SpecName("DOM1")}}.</td>
  </tr>
  <tr>
   <td>{{SpecName('DOM1', 'level-one-html.html#ID-73629039', 'HTMLBaseElement')}}</td>
   <td>{{Spec2('DOM1')}}</td>
   <td>Initial definition.</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>{{CompatGeckoDesktop(1.0)}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</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>{{CompatVersionUnknown}}</td>
   <td>{{CompatGeckoMobile(1.0)}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="See_also">See also</h2>

<ul>
 <li>HTML element implementing this interface: {{ HTMLElement("base") }}</li>
</ul>