ondurationchangeEvent

Example

Execute JavaScript when the duration of the video changes:

More examples are included at the bottom of this article.

The ondurationchange event is triggered when the duration of the video/audio changes.

Note:After the video/audio has been loaded, the duration of the video/audio changes from "NaN" to the actual duration.

During the loading of the video/audio, the events are triggered in the following order:

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

Event
ondurationchange	Yes	9.0	Yes	Yes	Yes

In HTML:

<element ondurationchange="myScript">Try it yourself

In JavaScript:

object.ondurationchange=function(){myScript};Try it yourself

In JavaScript, using the addEventListener() method:

object.addEventListener("durationchange", myScript);Try it yourself

Note:Internet Explorer 8 and earlier IE versions do not supportaddEventListener()the method.

Technical Details

Execute JavaScript when the audio starts to load:

Event Object Other Extensions