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HTML Audio/Video DOM durationchange Event

HTML audio Tag Reference HTML Audio/Video DOM Reference

Example

Alert that the duration of the video has changed:

myVid=document.getElementById("video1");
myVid.ondurationchange=alert("The video duration has changed");

Try it Yourself »

Definition and Usage

The durationchange event occurs when the duration data of the specified audio/video is changed.

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:

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

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The durationchange event is supported in all major browsers.

Note: This property is not supported in Internet Explorer 8 and earlier.


Syntax

In HTML:

<audio|video ondurationchange="SomeJavaScriptCode">

In JavaScript:

audio|video.ondurationchange=SomeJavaScriptCode;

Using addEventListener():

audio|video.addEventListener("durationchange", function()
  {
  //SomeJavaScriptCode
  }
);

Technical Details

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


Examples

More Examples

Use the ondurationchange attribute on an HTML element

Use addEventListener() to listen for the durationchange event


HTML audio Tag Reference HTML Audio/Video DOM Reference

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