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+---
+title: Window.ondevicelight
+slug: Web/API/Window/ondevicelight
+tags:
+ - 实验中
+ - 属性
+ - 引用
+ - 接口
+ - 环境光事件
+translation_of: Web/API/Window/ondevicelight
+---
+<div>{{APIRef}}</div>
+
+<div>声明一个事件监听用以接收{{event("devicelight")}}事件。事件在设备的光传感器检测到周围环境光的强度发生变化时触发。</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">window.ondevicelight = <var>funcRef</var></pre>
+
+<p>当{{event("devicelight")}}事件触发时,调用<code><em>funcRef</em></code>函数。这些事件皆为 {{domxref("DeviceLightEvent")}}事件类型。</p>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <thead>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ </thead>
+ <tbody>
+ <tr>
+ <td>{{SpecName('AmbientLight', '#event-handlers', 'Ambient Light Events')}}</td>
+ <td>{{Spec2('AmbientLight')}}</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>Edge</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoDesktop("22.0")}}<sup>[1]</sup></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 Webview</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>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatUnknown}}</td>
+ <td>{{CompatGeckoMobile("15.0")}}<sup>[1]</sup></td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<p>[1] 事件{{event("devicelight")}} 的使用最先被实现应用在Android (15.0) 的移动端火狐浏览器和火狐操作系统(B2G)。从 Gecko 22.0 {{geckoRelease("22.0")}}开始,面向Mac OS X 的桌面应用也已实现。目前对Windows 7的支持还在进行中(详见 {{bug(754199)}})。</p>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{event("devicelight")}}</li>
+ <li>{{domxref("DeviceLightEvent")}}</li>
+ <li><a href="/en-US/docs/Web/API/DeviceLightEvent/Using_light_events">Using Light Events</a></li>
+</ul>