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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>
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