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---
title: Navigator.permissions
slug: Web/API/Navigator/permissions
tags:
- API
- Permissions
- 属性
translation_of: Web/API/Navigator/permissions
---
<p>{{APIRef("HTML DOM")}}{{SeeCompatTable}}</p>
<p><code><strong>permissions</strong></code> 是 <code><strong>Navigator</strong></code> 读属性，返回一个可用于查询或更新某些APIs（由<a href="/en-US/docs/Web/API/Permissions_API">Permissions API</a>覆盖）的权限状态的对象。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><em>permissionsObj</em> = <em>globalObj</em>.navigator.permissions
</pre>
<h2 id="值">值</h2>
<p>一个 {{domxref("Permissions")}} 对象。</p>
<h2 id="例子">例子</h2>
<pre class="brush: js">navigator.permissions.query({name:'geolocation'}).then(function(result) {
if (result.state === 'granted') {
showMap();
} else if (result.state === 'prompt') {
showButtonToEnableMap();
}
// 如果被拒绝，请不要做任何操作。
});
</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">规范</th>
<th scope="col">状态</th>
<th scope="col">备注</th>
</tr>
<tr>
<td>{{SpecName('Permissions API')}}</td>
<td>{{Spec2('Permissions API')}}</td>
<td>初始化定义</td>
</tr>
</tbody>
</table>
<h2 id="浏览器支持">浏览器支持</h2>
{{Compat("api.Navigator.permissions")}}
<h2 id="See_also" name="See_also">参见</h2>
<ul>
<li><a href="/en-US/docs/Web/API/Permissions_API">Permissions API</a></li>
<li>{{domxref("Navigator")}}</li>
</ul>
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