Latest web development tutorials
 

HTML Audio/Video DOM loadedmetadata Event

< HTML Audio/Video DOM Reference

Example

Alert when meta data for the video is loaded:

var vid = document.getElementById("myVideo");
vid.onloadedmetadata = function() {
    alert("Meta data for video loaded");
};
Try it Yourself »

More "Try it Yourself" examples below.


Definition and Usage

The loadedmetadata event occurs when meta data for the specified audio/video has been loaded.

Meta data for audio/video consists of: duration, dimensions (video only) and text tracks.

During the loading process of an audio/video, the following events occur, in this order:

  1. loadstart
  2. durationchange
  3. loadedmetadata
  4. loadeddata
  5. progress
  6. canplay
  7. canplaythrough

Browser Support

The numbers in the table specify the first browser version that fully supports the event.

Event
loadedmetadata Yes 9.0 Yes Yes Yes

Syntax

In HTML:

<audio|video onloadedmetadata="myScript">Try it

In JavaScript:

audio|video.onloadedmetadata=function(){myScript};Try it

In JavaScript, using the addEventListener() method:

audio|video.addEventListener("loadedmetadata", myScript);Try it

Note: The addEventListener() method is not supported in Internet Explorer 8 and earlier versions.


Technical Details

Supported HTML tags: <audio> and <video>
Supported JavaScript objects: Audio, Video

More Examples

Example

Alert when meta data for the audio is loaded:

var aud = document.getElementById("myAudio");
aud.onloadedmetadata = function() {
    alert("Meta data for audio loaded");
};
Try it Yourself »

< HTML Audio/Video DOM Reference