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+---
+title: HashChangeEvent.oldURL
+slug: Web/API/HashChangeEvent/oldURL
+translation_of: Web/API/HashChangeEvent/oldURL
+---
+<div>{{APIRef("HTML DOM")}}</div>
+
+<div></div>
+
+<p><code><strong>oldURL</strong></code> 为 {{domxref("HashChangeEvent")}} 接口的只读属性，其值为窗口导航改变前的 URL。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox notranslate">let <em>oldEventUrl</em> = <em>event</em>.oldURL;</pre>
+
+<h3 id="返回值">返回值</h3>
+
+<p>{{domxref("DOMString")}}.</p>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js notranslate">window.addEventListener('hashchange', function(event) {
+  console.log('Hash changed from ' + event.oldURL);
+});</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">规范</th>
+   <th scope="col">状态</th>
+   <th scope="col">注释</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('HTML WHATWG', '#dom-hashchangeevent-oldurl', 'HashChangeEvent: oldURL')}}</td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td></td>
+  </tr>
+ </tbody>
+</table>