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: PushMessageData.arrayBuffer()
+slug: Web/API/PushMessageData/arrayBuffer
+tags:
+  - API
+  - ArrayBuffer
+  - Experimental
+  - Method
+  - Push
+  - PushMessageData
+  - Reference
+  - ServiceWorkers
+translation_of: Web/API/PushMessageData/arrayBuffer
+---
+<p>{{APIRef("Push API")}}{{SeeCompatTable()}}</p>
+
+<p>{{domxref("PushMessageData")}} インターフェースの <code><strong>arrayBuffer()</strong></code> メソッドは、プッシュメッセージデータを {{domxref("ArrayBuffer")}} オブジェクトとして抽出します。</p>
+
+<h2 id="構文">構文</h2>
+
+<pre class="brush: js">var myArrayBuffer = PushEvent.data.arrayBuffer();</pre>
+
+<h3 id="パラメーター">パラメーター</h3>
+
+<p>なし。</p>
+
+<h3 id="戻り値">戻り値</h3>
+
+<p>{{domxref("ArrayBuffer")}}。</p>
+
+<h2 id="例">例</h2>
+
+<pre class="brush: js">self.addEventListener('push', function(event) {
+  var buffer = event.data.arrayBuffer();
+
+  // array buffer を使用して何かを実行する。
+});</pre>
+
+<h2 id="仕様">仕様</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">仕様</th>
+   <th scope="col">状態</th>
+   <th scope="col">コメント</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Push API', '#widl-PushMessageData-arrayBuffer-ArrayBuffer', 'arrayBuffer()')}}</td>
+   <td>{{Spec2('Push API')}}</td>
+   <td>初期定義。</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="ブラウザ実装状況">ブラウザ実装状況</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>機能</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari (WebKit)</th>
+  </tr>
+  <tr>
+   <td>基本サポート</td>
+   <td>{{CompatChrome(50.0)}}</td>
+   <td>{{CompatGeckoDesktop(44.0)}}<sup>[1]</sup></td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>機能</th>
+   <th>Android</th>
+   <th>Android Webview</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+   <th>Chrome for Android</th>
+  </tr>
+  <tr>
+   <td>基本サポート</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatGeckoMobile(48)}}<sup>[2]</sup></td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(50.0)}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<ul>
+ <li>[1] Push（と <a href="/ja/docs/Web/API/Service_Worker_API">Service Workers</a>） は、<a href="https://www.mozilla.org/ja/firefox/organizations/">Firefox 45 延長サポート版</a>（ESR）では使用できません。</li>
+ <li>[2] Firefox for Android 48 から、既定で Push を使用できます。</li>
+</ul>
+
+<h2 id="関連項目">関連項目</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Push_API/Using_the_Push_API">Using the Push API</a></li>
+</ul>
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