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---
title: Navigator.serviceWorker
slug: Web/API/Navigator/serviceWorker
translation_of: Web/API/Navigator/serviceWorker
---
<p>{{APIRef("Service Workers API")}}</p>
<p><code><strong>Navigator.serviceWorker</strong></code> 只读属性，返回 <a href="https://html.spec.whatwg.org/multipage/browsers.html#concept-document-window">关联文件</a> 的 {{domxref("ServiceWorkerContainer")}} 对象，它提供对{{domxref("ServiceWorker")}} 的注册，删除，升级和通信的访问。。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">let workerContainerInstance = navigator.serviceWorker;
</pre>
<h3 id="值">值</h3>
<p>{{domxref("ServiceWorkerContainer")}}.</p>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName('Service Workers', '#navigator-service-worker', 'navigator.serviceWorker')}}</td>
<td>{{Spec2('Service Workers')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
{{Compat("api.Navigator.serviceWorker")}}
<h2 id="也可以看看">也可以看看</h2>
<ul>
<li><a href="/en-US/docs/Web/API/ServiceWorker_API">ServiceWorker API</a></li>
<li><a href="/en-US/docs/Web/API/ServiceWorker_API/Using_Service_Workers">Using Service Workers</a></li>
</ul>
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