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---
title: WindowOrWorkerGlobalScope.isSecureContext
slug: Web/API/WindowOrWorkerGlobalScope/isSecureContext
tags:
- API
- Property
- Reference
- Window
- WindowOrWorkerGlobalContext
- Workers
- isSecureContext
translation_of: Web/API/WindowOrWorkerGlobalScope/isSecureContext
---
<p>{{APIRef()}}{{SeeCompatTable}}</p>
<p><code><strong>isSecureContext</strong></code> 是 {{domxref("WindowOrWorkerGlobalScope")}} 的一个只读属性，返回一个布尔值，标识当前上下文是否安全，安全（true）或不安全（false）。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">var <em>isItSecure</em> = self.isSecureContext; // 或者直接使用 isSecureContext
</pre>
<h3 id="类型">类型</h3>
<p> {{domxref("Boolean")}}.</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('Secure Contexts', 'webappapis.html#dom-origin', 'WindowOrWorkerGlobalScope.isSecureContext')}}</td>
<td>{{Spec2('Secure Contexts')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{CompatibilityTable}}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatChrome(55)}}</td>
<td>{{CompatGeckoDesktop(52)}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android Webview</th>
<th>Chrome for Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatChrome(55)}}</td>
<td>{{CompatChrome(55)}}</td>
<td>{{CompatGeckoMobile(52)}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
</tr>
</tbody>
</table>
</div>
<h2 id="参考">参考</h2>
<ul>
<li><a href="/en-US/docs/Web/Security/Secure_Contexts">Secure contexts</a></li>
</ul>
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