blob: 424e6096567b37a132b8e997aa527ec5059b9ef5 (
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
---
title: EventSource.close()
slug: Web/API/EventSource/close
translation_of: Web/API/EventSource/close
original_slug: Server-sent_events/EventSource/close
---
<div>{{APIRef('WebSockets API')}}</div>
<div> </div>
<p>{{domxref("EventSource")}} 的方法<code><strong>close()</strong></code>用于关闭当前的连接，如果调用了此方法，则会将{{domxref("EventSource.readyState")}}这个属性值设置为 2 (closed)</p>
<div class="note">
<p><strong>Note</strong>: 如果连接已经被关闭，此方法不会做任何事情</p>
</div>
<h2 id="语法"><strong>语法</strong></h2>
<pre class="syntaxbox">eventSource.close();</pre>
<h3 id="参数">参数</h3>
<p>None.</p>
<h3 id="返回值">返回值</h3>
<p>Void.</p>
<h2 id="例子">例子</h2>
<pre class="brush: js">var button = document.querySelector('button');
var evtSource = new EventSource('sse.php');
button.onclick = function() {
console.log('Connection closed');
evtSource.close();
}
</pre>
<div class="note">
<p><strong>Note</strong>: 你可以在Github上查看这整个例子： <a href="https://github.com/mdn/dom-examples/tree/master/server-sent-events">Simple SSE demo using PHP.</a></p>
</div>
<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('HTML WHATWG', "comms.html#dom-eventsource-close", "close()")}}</td>
<td>{{Spec2('HTML WHATWG')}}</td>
<td>Initial definition</td>
</tr>
</tbody>
</table>
<ul>
</ul>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<div>{{CompatibilityTable}}</div>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Edge</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>EventSource support</td>
<td>6</td>
<td>{{CompatNo}}</td>
<td>{{CompatGeckoDesktop("6.0")}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>5</td>
</tr>
<tr>
<td>Available in shared and dedicated workers<sup>[1]</sup></td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatGeckoDesktop("53.0")}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatVersionUnknown}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>EventSource support</td>
<td>4.4</td>
<td>45</td>
<td>{{CompatNo}}</td>
<td>12</td>
<td>4.1</td>
</tr>
<tr>
<td>Available in shared and dedicated workers<sup>[1]</sup></td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatGeckoMobile("53.0")}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatVersionUnknown}}</td>
</tr>
</tbody>
</table>
</div>
<p>[1] But <a href="https://github.com/w3c/ServiceWorker/issues/947">not service workers as yet</a>.</p>
<h2 id="相关链接">相关链接</h2>
<ul>
<li>{{domxref("EventSource")}}</li>
</ul>
|
