---
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>

{{Compat("api.AmbientLightSensor")}}