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+---
+title: Window.ondevicelight
+slug: Web/API/Window/ondevicelight
+translation_of: Web/API/Window/ondevicelight
+---
+<div>{{APIRef}}</div>
+
+<p>Especifica um event listener para receber eventos {{event("devicelight")}}. Esses eventos ocorrem quando um dispositivo com sensores de nível de luz detecta uma mudança na intensidade do nível de luz do ambiente.</p>
+
+<h2 id="Sintaxe">Sintaxe</h2>
+
+<pre class="syntaxbox">window.ondevicelight = <var>funcRef</var></pre>
+
+<p>Onde <code><em>funcRef</em></code> é a função a ser chamada quando o evento {{event("devicelight")}} ocorre. Estes eventos são do tipo {{domxref("DeviceLightEvent")}}.</p>
+
+<h2 id="Especificações">Especificações</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Specificação</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="Compatibilidade_com_os_Navegadores">Compatibilidade com os Navegadores</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</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] The {{event("devicelight")}} event is implemented and by preference enabled by default in Firefox Mobile for Android (15.0) and in Firefox OS (B2G). Starting with Gecko 22.0 {{geckoRelease("22.0")}}, a desktop implementation for Mac OS X is also available. Support for Windows 7 is in progress (see {{bug(754199)}}).</p>
+
+<h2 id="Veja_também">Veja também</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>