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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:43:23 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:43:23 -0500
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+---
+title: DeviceMotionEvent
+slug: Web/API/DeviceMotionEvent
+translation_of: Web/API/DeviceMotionEvent
+---
+<p>{{apiref("Device Orientation Events")}}{{SeeCompatTable}}</p>
+
+<h2 id="概要">概要</h2>
+
+<p><code>DeviceMotionEvent</code> 提供了網頁開發者關於裝置位置及旋轉方向改變時的速度資訊。</p>
+
+<div class="warning">
+<p><strong>Warning:</strong> Currently, Firefox and Chrome does not handle the coordinates the same way. Take care about this while using them.</p>
+</div>
+
+<h2 id="屬性">屬性</h2>
+
+<dl>
+ <dt>{{domxref("DeviceMotionEvent.acceleration")}} {{readonlyinline}}</dt>
+ <dd>An object giving the acceleration of the device on the three axis X, Y and Z. Acceleration is expressed in <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>An object giving the acceleration of the device on the three axis X, Y and Z with the effect of gravity. Acceleration is expressed in <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>An object giving the rate of change of the device's orientation on the three orientation axis alpha, beta and gamma. Rotation rate is express in degrees per seconds.</dd>
+ <dt>{{domxref("DeviceMotionEvent.interval")}} {{readonlyinline}}</dt>
+ <dd>A number representing the interval of time, in milliseconds, at which data is obtained from the device.</dd>
+</dl>
+
+<h2 id="範例">範例</h2>
+
+<pre class="brush: js">window.addEventListener('devicemotion', function(event) {
+  console.log(event.acceleration.x + ' m/s2');
+});</pre>
+
+<h2 id="規範">規範</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="瀏覽器相容性">瀏覽器相容性</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 Phone</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="參見">參見</h2>
+
+<ul>
+ <li>{{ event("deviceorientation") }}</li>
+ <li>{{ domxref("DeviceMotionEvent") }}</li>
+ <li>{{ event("devicemotion") }}</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>