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ondurationchange Event

❮ Event Object

Example

Execute a JavaScript when the duration of a video has changed:

<video ondurationchange="myFunction()">
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More "Try it Yourself" examples below.

Definition and Usage

The ondurationchange event occurs when the duration of the audio/video is changed.

Note: When the 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. onloadstart
  2. ondurationchange
  3. onloadedmetadata
  4. onloadeddata
  5. onprogress
  6. oncanplay
  7. oncanplaythrough

Browser Support

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

Event
ondurationchange Yes 9.0 Yes Yes Yes

Syntax

In HTML:

<element ondurationchange="myScript">
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In JavaScript:

object.ondurationchange = function(){myScript};
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In JavaScript, using the addEventListener() method:

object.addEventListener("durationchange", myScript);
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Note: The addEventListener() method is not supported in Internet Explorer 8 and earlier versions.

Technical Details

Bubbles: No
Cancelable: No
Event type: Event
Supported HTML tags: <audio> and <video>
DOM Version: Level 3 Events

More Examples

Example

Execute a JavaScript when the audio is starting to load:

<audio ondurationchange="myFunction()">
Try it Yourself »
❮ Event Object