onprogress Event

DOM Events Event Object

Definition and Usage

The onprogress event occurs when the browser is downloading the specified audio/video.

The following events occur in the following order during the loading process of audio/video:

  1. onloadstart
  2. ondurationchange
  3. onloadedmetadata
  4. onloadeddata
  5. onprogress
  6. oncanplay
  7. oncanplaythrough

Example

Example 1

Execute JavaScript When Video Is Downloading:

<video onprogress="myFunction()">

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Example 2

Execute JavaScript When Audio Is Downloading:

<audio onprogress="myFunction()">

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Syntax

In HTML:

<element onprogress="myScript">

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In JavaScript:

object.onprogress = function(){myScript};

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In JavaScript, use the addEventListener() method:

object.addEventListener("progress", myScript);

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Note:Internet Explorer 8 and earlier versions do not support addEventListener() Method.

Technical Details

Bubbling: Not Supported
Cancelable: Not Supported
Event Type: Event
Supported HTML Tags: <audio> and <video>
DOM Version: Level 3 Events

Browser Support

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

Event Chrome IE Firefox Safari Opera
onprogress Support 9.0 Support Support Support
DOM Events Event Object