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+---
+title: DeviceMotionEvent.acceleration
+slug: Web/API/DeviceMotionEvent/acceleration
+tags:
+  - API
+  - Firefox OS
+  - 传感器
+  - 运动传感器
+  - 需要示例
+translation_of: Web/API/DeviceMotionEvent/acceleration
+---
+<p>{{ ApiRef("Device Orientation Events") }}</p>
+
+<p><span class="short_text" id="result_box" lang="zh-CN">acceleration属性会返回设备的加速度记录（单位：<a href="https://en.wikipedia.org/wiki/Meter_per_second_squared">m / s<sup>2</sup></a>）。</span></p>
+
+<div class="note"><strong>注意:</strong> 如果硬件无法从acceleration数据中移除重力加速度，则该值在{{ domxref("DeviceMotionEvent") }}中可能并不存在，你应当使用{{ domxref("DeviceMotionEvent.accelerationIncludingGravity") }}代替</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">var acceleration = <em>instanceOfDeviceMotionEvent</em>.acceleration;
+</pre>
+
+<h2 id="值">值</h2>
+
+<p><code>acceleration</code>是一个包括三轴（x、y、z）加速度信息的对象，每个轴都有自己的属性：</p>
+
+<dl>
+ <dt><code>x</code></dt>
+ <dd><span class="short_text" id="result_box" lang="zh-CN"><span>表示x轴（西到东）上的加速度</span></span></dd>
+ <dt><code>y</code></dt>
+ <dd><span class="short_text" id="result_box" lang="zh-CN"><span>表示y轴（南到北</span></span><span class="short_text" lang="zh-CN"><span>）上的加速度</span></span></dd>
+ <dt><code>z</code></dt>
+ <dd><span class="short_text" id="result_box" lang="zh-CN"><span>表示z轴（下到上）上的加速度</span></span></dd>
+</dl>
+
+<h2 id="说明">说明</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('Device Orientation')}}</td>
+   <td>{{Spec2('Device Orientation')}}</td>
+   <td>Initial specification.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性"><span class="short_text" id="result_box" lang="zh-CN"><span>浏览器兼容性</span></span></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 (WebKit)</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop("6")}}</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>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>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile("6")}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>4.2</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="推荐浏览">推荐浏览</h2>
+
+<ul>
+ <li>{{ domxref("DeviceMotionEvent.accelerationIncludingGravity") }}</li>
+ <li>{{ event("devicemotion") }}</li>
+ <li>{{ domxref("window.ondevicemotion") }}</li>
+ <li>{{ event("deviceorientation") }}</li>
+ <li>{{ domxref("DeviceOrientationEvent") }}</li>
+ <li><a href="/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>