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HTML ontimeupdate Event Attribute

❮ HTML Event Attributes

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;
}
Try it Yourself »

Example

Using the currentTime property to set the current playback position to 5 seconds:

document.getElementById("myVideo").currentTime = 5;
Try it Yourself »

❮ HTML Event Attributes

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