From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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+---
+title: DeviceMotionEvent
+slug: Web/API/DeviceMotionEvent
+tags:
+  - API
+  - DeviceMotionEvent
+  - 传感器
+  - 参考
+  - 实验性
+  - 接口
+  - 移动设备
+  - 运动传感器
+translation_of: Web/API/DeviceMotionEvent
+---
+<p>{{apiref("Device Orientation Events")}}{{SeeCompatTable}}</p>
+
+<p><code>DeviceMotionEvent</code> 为web开发者提供了关于设备的位置和方向的改变速度的信息。</p>
+
+<div class="warning">
+<p><strong>警告：</strong>目前，Firefox 和 Chrome 处理坐标的方式不同。 使用时要多加注意。</p>
+</div>
+
+<h2 id="构造函数">构造函数</h2>
+
+<dl>
+ <dt>{{DOMxRef("DeviceMotionEvent.DeviceMotionEvent()")}} {{Non-standard_Inline}}</dt>
+ <dd>创建一个新的 <code>DeviceMotionEvent</code>。</dd>
+</dl>
+
+<h2 id="属性">属性</h2>
+
+<dl>
+ <dt>{{domxref("DeviceMotionEvent.acceleration")}} {{readonlyinline}}</dt>
+ <dd>提供了设备在X,Y,Z轴方向上加速度的对象。加速度的单位为 <a href="https://en.wikipedia.org/wiki/Meter_per_second_squared" title="https://en.wikipedia.org/wiki/Meter_per_second_squared">m/s<sup>2</sup></a>。</dd>
+ <dt>{{domxref("DeviceMotionEvent.accelerationIncludingGravity")}} {{readonlyinline}}</dt>
+ <dd>提供了设备在X,Y,Z轴方向上带重力的加速度的对象。加速度的单位为 <a href="https://en.wikipedia.org/wiki/Meter_per_second_squared" title="https://en.wikipedia.org/wiki/Meter_per_second_squared">m/s<sup>2</sup></a></dd>
+ <dt>{{domxref("DeviceMotionEvent.rotationRate")}} {{readonlyinline}}</dt>
+ <dd>提供了设备在 alpha，beta， gamma轴方向上旋转的速率的对象。旋转速率的单位为度每秒。</dd>
+ <dt>{{domxref("DeviceMotionEvent.interval")}} {{readonlyinline}}</dt>
+ <dd>表示从设备获取数据的间隔时间，单位是毫秒。</dd>
+</dl>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js">window.addEventListener('devicemotion', function(event) {
+  console.log(event.acceleration.x + ' m/s2');
+});</pre>
+
+<h2 id="规范">规范</h2>
+
+<table>
+ <thead>
+  <tr>
+   <th scope="col"><strong>规范</strong></th>
+   <th scope="col"><strong>状态</strong></th>
+   <th scope="col"><strong>注释</strong></th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName("Device Orientation", "#devicemotionevent", "DeviceMotionEvent")}}</td>
+   <td>{{Spec2("Device Orientation")}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>{{Compat("api.DeviceMotionEvent")}}</p>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li>{{Event("deviceorientation")}}</li>
+ <li>{{DOMxRef("DeviceOrientationEvent")}}</li>
+ <li>{{Event("devicemotion")}}</li>
+ <li><a href="https://wiki.developer.mozilla.org/en-US/docs/WebAPI/Detecting_device_orientation" title="/en-US/docs/WebAPI/Detecting_device_orientation">Detecting device orientation</a></li>
+ <li><a href="https://developer.mozilla.org/en/DOM/Orientation_and_motion_data_explained" title="Orientation and motion data explained">Orientation and motion data explained</a></li>
+</ul>
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