The readystatechange
event is fired when the readyState
attribute of a document has changed.
This event is not cancelable and does not bubble.
The readystatechange
event is fired when the readyState
attribute of a document has changed.
This event is not cancelable and does not bubble.
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener('readystatechange', event => { }); onreadystatechange = event => { };
A generic Event
.
<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>
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`; });
Specification |
---|
HTML Standard # event-readystatechange |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
readystatechange_event |
9
|
12
|
4
|
4
|
≤12.1
|
5.1
|
≤37
|
18
|
4
|
≤12.1
|
5
|
1.0
|
DOMContentLoaded
, load
, beforeunload
, unload
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Document/readystatechange_event