Execute a JavaScript when the duration of a video has changed:
More "Try it Yourself" examples below.
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:
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:
In JavaScript:
In JavaScript, using the addEventListener() method:
Note: The addEventListener() method is not supported in Internet Explorer 8 and earlier versions.
Bubbles: | No |
---|---|
Cancelable: | No |
Event type: | Event |
Supported HTML tags: | <audio> and <video> |
DOM Version: | Level 3 Events |
Execute a JavaScript when the audio is starting to load: