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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: Navigator.getGamepads()
+slug: Web/API/Navigator/getGamepads
+translation_of: Web/API/Navigator/getGamepads
+---
+<p>{{APIRef("Gamepad API")}}{{SeeCompatTable}}</p>
+
+<p>调用 <strong><code>Navigator.getGamepads()</code></strong> 方法会返回一个数组:第一个值为 <code>null</code> ,其他的值均为 {{ domxref("Gamepad") }} 对象,表示每一个与设备连接的游戏手柄。所以如果没有连接任何游戏手柄,这个方法将只会返回 <code>null</code>。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"> var arrayGP = navigator.getGamepads();</pre>
+
+<h2 id="样例">样例</h2>
+
+<pre class="brush: js">window.addEventListener("gamepadconnected", function(e) {
+ var gp = navigator.getGamepads()[e.gamepad.index];
+ console.log("Gamepad connected at index %d: %s. %d buttons, %d axes.",
+ gp.index, gp.id,
+ gp.buttons.length, gp.axes.length);
+});</pre>
+
+<h2 id="标准">标准</h2>
+
+<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('Gamepad', '', 'The Gamepad API specification')}}</td>
+ <td>{{Spec2('Gamepad')}}</td>
+ <td>初始定义</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</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>General support</td>
+ <td>
+ <p>21.0 {{ property_prefix("webkit") }}<br>
+ 35.0</p>
+ </td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{ CompatGeckoDesktop("29.0") }} [1]</td>
+ <td>{{ CompatNo() }}</td>
+ <td>
+ <p>15.0 {{ property_prefix("webkit") }}<br>
+ 22.0</p>
+ </td>
+ <td>{{ CompatNo() }}</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>General support</td>
+ <td>{{ CompatNo() }}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{ CompatNo() }}</td>
+ <td>{{ CompatNo() }}</td>
+ <td>{{ CompatNo() }}</td>
+ <td>{{ CompatNo() }}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<p>[1] 自 Firefox 24 起可以通过偏好设置启用。</p>
+
+<h2 id="另请参阅">另请参阅</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/Guide/API/Gamepad">Using the Gamepad API</a></li>
+ <li><a href="/en-US/docs/Web/API/Gamepad_API">Gamepad API</a></li>
+</ul>