onloadedmetadataEvent
Example
Execute JavaScript after the video's metadata has loaded:
<video onloadedmetadata="myFunction()">
Try it Yourself »
This article contains more examples at the bottom.
Definition and Usage
The onloadedmetadata event is triggered after the metadata of the specified video/audio (audio/video) has loaded.
The metadata of video/audio (audio/video) includes: duration, dimensions (for video), and text tracks.
During the loading process of video/audio (audio/video), the events are triggered in the following order:
- onloadstart
- ondurationchange
- onloadedmetadata
- onloadeddata
- onprogress
- oncanplay
-
oncanplaythrough
Browser Support
The numbers in the table specify the first browser version that fully supports the event.
| Event | |||||
|---|---|---|---|---|---|
| onloadedmetadata | Yes | 9.0 | Yes | Yes | Yes |
Syntax
In HTML:
<element onloadedmetadata="myScript">Try it Yourself
In JavaScript:
object.onloadedmetadata=function(){myScript};Try it Yourself
In JavaScript, using the addEventListener() method:
object.addEventListener("loadedmetadata", myScript);Try it Yourself
Note:Internet Explorer 8 and earlier IE versions do not supportaddEventListener()method.
Technical Details
| Bubbles: | No |
|---|---|
| Cancelable: | No |
| Event type: | Event |
| Supported HTML tags: | <audio>, <video> |

More Examples
Example
Execute JavaScript after the audio's metadata has loaded:
<audio onloadedmetadata="myFunction()">
Try it Yourself »
Event Object Other Extensions