blob: d860ddeefd8a0a20ffade20be4618ff51028448d (
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
|
---
title: SharedWorker.port
slug: Web/API/SharedWorker/port
translation_of: Web/API/SharedWorker/port
---
<div>{{APIRef("Web Workers API")}}</div>
<p>A propriedade <code><strong>port</strong></code> do {{domxref ("SharedWorker")}} retorna um objeto {{domxref ("MessagePort")}} usado para comunicar e controlar o shared worker.</p>
<p> </p>
<h2 id="Sintaxe">Sintaxe</h2>
<pre class="syntaxbox">myWorker.port;</pre>
<h3 id="Valor">Valor</h3>
<p>Um objeto {{domxref("MessagePort")}}.</p>
<h2 id="Exemplo">Exemplo</h2>
<p>O snippet de código a seguir mostra a criação de um objeto SharedWorker usando o construtor {{domxref ("SharedWorker.SharedWorker", "SharedWorker ()")}} . Vários scripts podem acessar o worker através de um objeto do tipo {{domxref ("MessagePort")}} , usando a propriedade SharedWorker.port — A porta é iniciada usando o método <code>start()</code> .</p>
<pre class="brush: js">var myWorker = new SharedWorker('worker.js');
myWorker.port.start();</pre>
<p>Veja um exemplo completo <a class="external external-icon" href="https://github.com/mdn/simple-shared-worker">Basic shared worker example</a> (<a class="external external-icon" href="http://mdn.github.io/simple-shared-worker/">run shared worker</a>.)</p>
<h2 id="Especificações">Especificações</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('HTML WHATWG', "#dom-sharedworker-port", "AbstractWorker.onerror")}}</td>
<td>{{Spec2('HTML WHATWG')}}</td>
<td>No change from {{SpecName("Web Workers")}}.</td>
</tr>
<tr>
<td>{{SpecName('Web Workers', "#dom-sharedworker-port", "AbstractWorker.onerror")}}</td>
<td>{{Spec2('Web Workers')}}</td>
<td>Initial definition</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility">Compatibilidade com navegadores</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>Support</td>
<td>{{CompatChrome(4)}}</td>
<td>{{CompatGeckoDesktop(29.0)}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatOpera(10.60)}}</td>
<td>5<br>
{{CompatNo}} 6.1</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Chrome for Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>Firefox OS (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Support</td>
<td>{{CompatNo}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatGeckoMobile("33.0")}}</td>
<td>2.1</td>
<td>{{CompatNo}}</td>
<td>11.5</td>
<td>5.1<br>
{{CompatNo}} 7.1</td>
</tr>
</tbody>
</table>
</div>
<h2 id="See_also">See also</h2>
<ul>
<li>The {{domxref("SharedWorker")}} interface it belongs to.</li>
</ul>
|
