blob: bd4510a159b2989cdfba6a6c0c0e600994c9d104 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
---
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>
<div>{{ CompatibilityTable() }}</div>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>功能</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari (WebKit)</th>
</tr>
<tr>
<td>基础支持</td>
<td>{{CompatChrome(43.0)}}</td>
<td>{{CompatGeckoDesktop(46)}}</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>功能</th>
<th>Android</th>
<th>Android Webview</th>
<th>Firefox Mobile (Gecko)</th>
<th>Firefox OS</th>
<th>IE Phone</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
<th>Chrome for Android</th>
</tr>
<tr>
<td>基础支持</td>
<td>{{CompatNo()}}</td>
<td>{{CompatChrome(43.0)}}</td>
<td>{{CompatGeckoMobile(46)}}</td>
<td>{{CompatUnknown()}}<sup>[1]</sup></td>
<td>{{CompatUnknown()}}</td>
<td>{{CompatUnknown()}}</td>
<td>{{CompatUnknown()}}</td>
<td>{{CompatChrome(43.0)}}</td>
</tr>
</tbody>
</table>
</div>
<p>[1] Firefox OS 现在采用自己的具有特殊工作方式的 Permissions API：参见 <a href="/en-US/docs/Web/API/Permissions_API_(Firefox_OS)">Permissions API (Firefox OS)</a>.</p>
<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>
|
