Document:readystatechange 事件
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
当文档的 readyState
属性发生改变时,会触发 readystatechange
事件。
是否冒泡 | 否 |
---|---|
是否可取消 | 否 |
接口 | Event |
Event handler 属性 | onreadystatechange |
示例
实时演示
HTML
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>
JavaScript
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`;
});
结果
规范
Specification |
---|
HTML # event-readystatechange |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
readystatechange event |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.