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---
title: AmbientLightSensor
slug: Web/API/AmbientLightSensor
translation_of: Web/API/AmbientLightSensor
---
<p>{{SeeCompatTable}}{{APIRef("Ambient Light Sensor API")}}</p>
<p><span class="seoSummary"><font face="consolas, Liberation Mono, courier, monospace"><strong><a href="/en-US/docs/Web/API/Ambient_Light_Sensor_API">环境光传感器API</a>的``</strong></font><strong><code>AmbientLightSensor``返回一个用于访问</code></strong>{{domxref('AmbientLightSensorReading')}}的接口。</span></p>
<h2 id="实例">实例</h2>
<dl>
<dt>{{domxref("AmbientLightSensor.AmbientLightSensor()")}}</dt>
<dd><code>创建一个新的 AmbientLightSensor</code> 对象.</dd>
</dl>
<h2 id="属性">属性</h2>
<dl>
<dt>{{domxref('AmbientLightSensor.reading')}}</dt>
<dd>返回一个 {{domxref('AmbientLightSensorReading')}} 接口, 包含当前光的亮度级别。</dd>
</dl>
<h3 id="Examples">Examples</h3>
<pre class="brush: js">// TBD</pre>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName('AmbientLight','#ambient-light-sensor-interface','AmbientLightSensor')}}</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>
<div>{{CompatibilityTable}}</div>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari (WebKit)</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatChrome(54.0)}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Android Webview</th>
<th>Firefox Mobile (Gecko)</th>
<th>Firefox OS</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
<th>Chrome for Android</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(54.0)}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatChrome(54.0)}}</td>
</tr>
</tbody>
</table>
</div>
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