HTMLMediaElement: progress event
The progress
event is fired periodically as the browser loads a resource.
Bubbles | No |
---|---|
Cancelable | No |
Interface | Event |
Event handler property | onprogress |
Examples
Live example
HTML
<div class="example"> <button type="button">Load video</button> <video controls width="250"></video> <div class="event-log"> <label>Event log:</label> <textarea readonly class="event-log-contents"></textarea> </div> </div>
JavaScript
const loadVideo = document.querySelector('button'); const video = document.querySelector('video'); const eventLog = document.querySelector('.event-log-contents'); let source = null; function handleEvent(event) { eventLog.textContent = eventLog.textContent + `${event.type}\n`; } video.addEventListener('loadstart', handleEvent); video.addEventListener('progress', handleEvent); video.addEventListener('canplay', handleEvent); video.addEventListener('canplaythrough', handleEvent); loadVideo.addEventListener('click', () => { if (source) { document.location.reload(); } else { loadVideo.textContent = "Reset example"; source = document.createElement('source'); source.setAttribute('src', 'https://mdn.github.io/learning-area/html/multimedia-and-embedding/video-and-audio-content/rabbit320.mp4'); source.setAttribute('type', 'video/mp4'); video.appendChild(source); } });
Result
Specifications
Specification |
---|
HTML Standard (HTML) # event-media-progress |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
progress_event |
1 |
12 |
Yes |
9 |
≤12.1 |
1.3 |
1 |
18 |
Yes |
≤12.1 |
1 |
1.0 |
See also
© 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/HTMLMediaElement/progress_event