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 »
vid.onloadedmetadata = function() {
alert("Meta data for video loaded");
};
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:
- loadstart
- durationchange
- loadedmetadata
- loadeddata
- progress
- canplay
- 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 »
aud.onloadedmetadata = function() {
alert("Meta data for audio loaded");
};
HTML Audio/Video DOM Reference
