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
140
141
142
143
144
|
---
title: 'Document: readystatechange イベント'
slug: Web/API/Document/readystatechange_event
tags:
- Event
- Reference
- XMLHttpRequest
- interactive
translation_of: Web/API/Document/readystatechange_event
---
<div>{{APIRef}}</div>
<p><strong><code>readystatechange</code></strong> eventは、文書の {{domxref("Document.readyState", "readyState")}} 属性が変化したときに発生します。</p>
<table class="properties">
<tbody>
<tr>
<th scope="row">バブリング</th>
<td>なし</td>
</tr>
<tr>
<th scope="row">キャンセル</th>
<td>不可</td>
</tr>
<tr>
<th scope="row">インターフェイス</th>
<td>{{domxref("Event")}}</td>
</tr>
<tr>
<th scope="row">イベントハンドラープロパティ</th>
<td><code>onreadystatechange</code></td>
</tr>
</tbody>
</table>
<h2 id="Examples" name="Examples">例</h2>
<h3 id="Live_example" name="Live_example">ライブデモ</h3>
<h4 id="HTML">HTML</h4>
<pre class="brush: html"><div class="controls">
<button id="reload" type="button">Reload</button>
</div>
<div class="event-log">
<label>Event log:</label>
<textarea readonly class="event-log-contents" rows="8" cols="30"></textarea>
</div></pre>
<div class="hidden">
<h4 id="CSS">CSS</h4>
<pre class="brush: css">body {
display: grid;
grid-template-areas: "control log";
}
.controls {
grid-area: control;
display: flex;
align-items: center;
justify-content: center;
}
.event-log {
grid-area: log;
}
.event-log-contents {
resize: none;
}
label, button {
display: block;
}
#reload {
height: 2rem;
}
</pre>
</div>
<h4 id="JS">JS</h4>
<pre class="brush: js">const log = document.querySelector('.event-log-contents');
const reload = document.querySelector('#reload');
reload.addEventListener('click', () => {
log.textContent ='';
window.setTimeout(() => {
window.location.reload(true);
}, 200);
});
window.addEventListener('load', (event) => {
log.textContent = log.textContent + 'load\n';
});
document.addEventListener('readystatechange', (event) => {
log.textContent = log.textContent + `readystate: ${document.readyState}\n`;
});
document.addEventListener('DOMContentLoaded', (event) => {
log.textContent = log.textContent + `DOMContentLoaded\n`;
});
</pre>
<h4 id="Result" name="Result">結果</h4>
<p>{{ EmbedLiveSample('Live_example', '100%', '160px') }}</p>
<h2 id="Specifications" name="Specifications">仕様書</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">仕様書</th>
<th scope="col">状態</th>
<th scope="col">備考</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName("HTML WHATWG", "indices.html#event-readystatechange", "readystatechange")}}</td>
<td>{{Spec2("HTML WHATWG")}}</td>
<td></td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2>
<div class="hidden">このページの互換性一覧表は構造化データから生成されています。データに協力していただけるのであれば、 <a class="external" href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> をチェックアウトしてプルリクエストを送信してください。</div>
<p>{{Compat("api.Document.readystatechange_event")}}</p>
<h2 id="See_also" name="See_also">関連情報</h2>
<ul>
<li>関連イベント: {{domxref("Document/DOMContentLoaded_event", "DOMContentLoaded")}}, {{domxref("Window/load_event", "load")}}, {{domxref("Window/beforeunload_event", "beforeunload")}}, {{domxref("Window/unload_event", "unload")}}</li>
</ul>
|
