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+---
+title: Document.origin
+slug: Web/API/Document/origin
+translation_of: Web/API/Document/origin
+---
+<div>{{APIRef("DOM")}}{{SeeCompatTable}}</div>
+
+<p><strong><code>Document.origin</code></strong> (只读属性) 返回文档的来源。通常该属性与 <code>document.defaultView.location.origin </code>相等。</p>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js">var origin = document.origin;
+// On this page, returns:'https://developer.mozilla.org'
+
+var origin = document.origin;
+// On "about:blank", returns:'null'
+
+var origin = document.origin;
+// On "data:text/html,&lt;b&gt;foo&lt;/b&gt;", returns:'null'
+</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('DOM WHATWG', '#dom-document-origin', 'Document.origin')}}</td>
+ <td>{{Spec2('DOM WHATWG')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', '#origin:document', 'origin for Document objects')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ </tbody>
+</table>
+
+<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>{{CompatChrome(41)}}</td>
+ <td>{{CompatNo}} {{bug(931884)}}</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>Chrome for Android</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li> {{domxref("URLUtils.origin")}} 属性.</li>
+</ul>