Document: readystatechange event

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.

readystatechange 이벤트는 현재 페이지의 readyState 속성값이 변할 때 발생한다.

Bubbles No
Cancelable No
Interface Event
Event handler property onreadystatechange

Examples

Live example

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>

JS

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`;
});

Result

명세서

Specification
HTML
# event-readystatechange

브라우저 호환성

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
readystatechange event

Legend

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Full support
Full support

See also