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+---
+title: selectionchange
+slug: Web/API/Document/selectionchange_event
+translation_of: Web/API/Document/selectionchange_event
+---
+<div>
+<p><a href="/en-US/docs/Web/API/Selection_API">Selection API</a> 的 <strong><code>selectionchange</code> </strong>事件在文档上的当前文本选择被改变时触发。</p>
+</div>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <td>Bubbles</td>
+   <td>No</td>
+  </tr>
+  <tr>
+   <td>Cancelable</td>
+   <td>No</td>
+  </tr>
+  <tr>
+   <td>Target objects</td>
+   <td>{{domxref("Document")}}</td>
+  </tr>
+  <tr>
+   <td>Interface</td>
+   <td>{{domxref("Event")}}</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush: js notranslate">//以下两种方法可任选其一
+document.addEventListener("selectionchange", () =&gt; {
+  console.log(document.getSelection());
+});
+
+document.onselectionchange = () =&gt; {
+  console.log(document.getSelection());
+};
+</pre>
+
+<h2 id="继承">继承</h2>
+
+<p><code>selectionchange</code> 事件实现了 {{domxref("Event")}} 接口，因此在此接口上定义的属性和方法都可使用。</p>
+
+<p>{{InheritanceDiagram('','','', 'Event')}}</p>
+
+<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">说明</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Selection API', '#selectionchange-event', 'selectionchange')}}</td>
+   <td>{{Spec2('Selection API')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop("52")}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+  <tr>
+   <td>on <code>HTMLInputElement</code> and <code>HTMLTextAreaElement</code></td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatGeckoDesktop("52")}} - [1]</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>Edge</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>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile("52")}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+  <tr>
+   <td>on <code>HTMLInputElement</code> and <code>HTMLTextAreaElement</code></td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatGeckoMobile("52")}} - [1]</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<p>[1] - Experimental support in Nightly behind the <code>dom.select_events.textcontrols.enabled</code> preference. Support for input and textarea is currently not part of the specification.</p>
+
+<h2 id="参考">参考</h2>
+
+<ul>
+ <li>{{domxref("Document.onselectionchange")}}</li>
+</ul>