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 ⁨2015년 7월⁩.

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>

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;
}

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

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This page was last modified on ⁨2023년 7월 30일⁩ by MDN contributors.

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