files/zh-cn/web/api/location/hostname/index.html


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---
title: 'Location: hostname'
slug: Web/API/Location/hostname
translation_of: Web/API/Location/hostname
---
<p>{{ApiRef("URL API")}}</p>

<p>{{domxref("Location")}}的 <strong><code>hostname</code></strong> 属性是包含了域名的一段 {{domxref("USVString")}}。</p>

<h2 id="Syntax">Syntax</h2>

<pre class="syntaxbox notranslate"><em>string</em> = <em>object</em>.hostname;
<em>object.</em>hostname = <em>string</em>;
</pre>

<h2 id="Examples">Examples</h2>

<pre class="brush: js notranslate">// 在文档流中声明了一个元素： &lt;a id="myAnchor" href="https://developer.mozilla.org/en-US/docs/Location.hostname"&gt;
var anchor = document.getElementById("myAnchor");
var result = anchor.hostname; // Returns:'developer.mozilla.org'</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('HTML WHATWG', '#dom-location-hostname', 'hostname')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td>Initial definition.</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Browser compatibility</h2>


<p>{{Compat("api.Location.hostname")}}</p>