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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: GamepadButton.pressed
+slug: Web/API/GamepadButton/pressed
+translation_of: Web/API/GamepadButton/pressed
+---
+<p>{{APIRef("Gamepad API")}}</p>
+
+<p>{{domxref("GamepadButton")}}接口下的 <code><strong>GamepadButton.pressed</strong></code> 属性返回一个表示按钮当然是被按下了 (<code>true</code>) 还是没有被按下 (<code>false</code>) 的布尔值。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><span class="idlInterface" id="idl-def-GamepadButton"><span class="idlAttribute">var isPressed = navigator.getGamepads()[0].pressed;
+</span></span></pre>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js">var gp = navigator.getGamepads()[0]; // 获取第一个控制器对象
+
+if(gp.buttons[0].pressed == true) {
+ // 响应按钮按下
+}</pre>
+
+<h2 id="值">值</h2>
+
+<p>一个 {{domxref("boolean")}} (布尔值)。</p>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">规范</th>
+ <th scope="col">状态</th>
+ <th scope="col">备注</th>
+ </tr>
+ <tr>
+ <td>{{SpecName("Gamepad", "#widl-GamepadButton-pressed", "GamepadButton.pressed")}}</td>
+ <td>{{Spec2("Gamepad")}}</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.GamepadButton.pressed")}}</p>
+
+<h2 id="另请参阅">另请参阅</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/Guide/API/Gamepad">使用 Gamepad API</a></li>
+</ul>