HTML ontimeupdate Event Attribute
Example
Alert a message when the playing position has changed:
<script>
function myFunction() {
alert('The playing position has changed');
}
</script>
<video ontimeupdate="myFunction()">
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The timeupdate event occurs when the playing position of an audio/video has changed.
This event is invoked by:
- Playing the audio/video
- Moving the playback position (like when the user fast forwards to a different point in the audio/video)
Tip: This timeupdate event is often used together with the currentTime property of the Audio/Video Object, which returns the current position of the audio/video playback, in seconds.
Browser Support
The numbers in the table specify the first browser version that fully supports the event.
| Event | |||||
|---|---|---|---|---|---|
| timeupdate | Yes | 9.0 | Yes | Yes | Yes |
Syntax
<element ontimeupdate="script">
Attribute Values
| Value | Description |
|---|---|
| script | The script to be run at a time-line change |
Technical Details
| Supported HTML tags: | <audio> and <video> |
|---|
More Examples
Example
Alert a message when the playing position of the audio has changed:
<script>
function myFunction() {
alert('The playing position has changed');
}
</script>
<audio ontimeupdate="myFunction()">
Try it Yourself »
Example
When the playing position of an audio has changed, display the current position of the audio in seconds:
// Get the <audio> element with id="myVideo"
let aud = document.getElementById("myVideo");
// Assign an ontimeupdate event to the <audio> element, and execute a function if the current playback position has changed
aud.ontimeupdate = function() {myFunction()};
function myFunction() {
// Display the current position of the audio in a <p> element with id="demo"
document.getElementById("demo").innerHTML = aud.currentTime;
}
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Example
Using the currentTime property to set the current playback position to 5 seconds:
document.getElementById("myVideo").currentTime = 5;
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