HTML Audio/Video DOM durationchange Event
HTML Audio/Video DOM Reference
Example
Alert that the duration of the video has changed:
var vid = document.getElementById("myVideo");
vid.ondurationchange =
function() {
alert("The video duration has changed");
};
Try it yourself »
More "Try it Yourself" examples below.
Definition and Usage
The durationchange event occurs when the duration data of the specified audio/video is changed.
Note: When an audio/video is loaded, the duration will change from "NaN" to the actual duration of the audio/video.
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 | |||||
|---|---|---|---|---|---|
| durationchange | Yes | 9.0 | Yes | Yes | Yes |
Syntax
In HTML:
<audio|video ondurationchange="myScript">Try it
In JavaScript:
audio|video.ondurationchange=function(){myScript};Try it
In JavaScript, using the addEventListener() method:
audio|video.addEventListener("durationchange", 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 that the duration of the audio has changed:
var aud = document.getElementById("myAudio");
aud.ondurationchange =
function() {
alert("The audio duration has changed");
};
Try it yourself »
HTML Audio/Video DOM Reference
