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+---
+title: Client.id
+slug: Web/API/Client/id
+tags:
+  - API
+  - Client
+  - Property
+  - Reference
+  - Service Workers
+  - ServiceWorker
+  - id
+translation_of: Web/API/Client/id
+---
+<p>{{APIRef("Service Workers API")}}</p>
+
+<p><span class="seoSummary">{{domxref("Client")}} インターフェイスの <strong><code>id</code></strong> 読み取り専用プロパティは、{{domxref("Client")}} オブジェクトの汎用一意識別子を返します。</span></p>
+
+<h2 id="Syntax" name="Syntax">構文</h2>
+
+<pre class="brush: js">var <em>clientId</em> = <em>client</em>.id;</pre>
+
+<h2 id="Example" name="Example">例</h2>
+
+<pre class="brush: js">未定
+</pre>
+
+<h2 id="Specifications" name="Specifications">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('Service Workers', '#client-id', 'id')}}</td>
+   <td>{{Spec2('Service Workers')}}</td>
+   <td>初期定義</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2>
+
+<div>
+
+
+<p>{{Compat("api.Client.id")}}</p>
+</div>