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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: PushMessageData.blob()
+slug: Web/API/PushMessageData/blob
+tags:
+ - API
+ - Blob
+ - Experimental
+ - Method
+ - Push
+ - PushMessageData
+ - Reference
+ - Service Workers
+translation_of: Web/API/PushMessageData/blob
+---
+<p>{{APIRef("Push API")}}{{SeeCompatTable()}}</p>
+
+<p>{{domxref("PushMessageData")}} インターフェースの <code><strong>blob()</strong></code> メソッドは、プッシュメッセージデータを {{domxref("Blob")}} 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 myBlob = PushEvent.data.blob();</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("Blob")}}。</p>
+
+<h2 id="例">例</h2>
+
+<pre class="brush: js">self.addEventListener('push', function(event) {
+ var blob = event.data.blob();
+
+ // Blob 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-blob-Blob', 'blob()')}}</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="/ja/docs/Web/API/Push_API/Using_the_Push_API">Using the Push API</a></li>
+</ul>