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+---
+title: PushEvent.data
+slug: Web/API/PushEvent/data
+tags:
+  - API
+  - Experimental
+  - Property
+  - Push
+  - PushEvent
+  - Reference
+  - data
+translation_of: Web/API/PushEvent/data
+---
+<p>{{APIRef("Push API")}}{{SeeCompatTable()}}</p>
+
+<p><strong><code>PushEvent</code></strong> インターフェースの <code>data</code> 読み取り専用プロパティは、<span style="line-height: 19.0909080505371px;">{{domxref("PushSubscription")}}</span> に送信されてたデータを含む {{domxref("PushMessageData")}} オブジェクトへの参照を返します。</p>
+
+<h2 id="構文">構文</h2>
+
+<pre class="brush: js">var myPushData = PushEvent.data;</pre>
+
+<h3 id="値">値</h3>
+
+<p>{{domxref("PushMessageData")}} オブジェクト</p>
+
+<p><strong style="font-size: 2.14285714285714rem; font-weight: 700; letter-spacing: -1px; line-height: 30px;">例</strong></p>
+
+<p>次の例は、 <code>PushEvent</code> からデータを取得して、すべての service worker クライアントで表示しています。</p>
+
+<pre class="brush: js">self.addEventListener('push', function(event) {
+  if (!(self.Notification &amp;&amp; self.notification.permission === 'granted')) {
+    return;
+  }
+
+  var data = {};
+  if (event.data) {
+    data = event.data.json();
+  }
+  var title = data.title || "Something Has Happened";
+  var message = data.message || "Here's something you might want to check out.";
+  var icon = "images/new-notification.png";
+
+  var notification = new Notification(title, {
+    body: message,
+    tag: 'simple-push-demo-notification',
+    icon: icon
+  });
+
+  notification.addEventListener('click', function() {
+    if (clients.openWindow) {
+      clients.openWindow('https://example.blog.com/2015/03/04/something-new.html');
+    }
+  };
+});
+</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-PushEvent-data','data')}}</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>{{CompatNo}}</td>
+   <td>{{CompatGeckoDesktop(44.0)}}<sup>[1]</sup></td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatUnknown}}</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>{{CompatNo}}</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="/ja/docs/Web/API/Push_API/Using_the_Push_API">Using the Push API</a></li>
+</ul>