HTML Audio/Video DOM buffered Property

❮ HTML Audio/Video DOM Reference

Example

Get the first buffered range (part) of the video in seconds:

let vid = document.getElementById("myVideo");
alert("Start: " + vid.buffered.start(0)
+ " End: " + vid.buffered.end(0));
Try it Yourself »

Definition and Usage

The buffered property returns a TimeRanges object.

The TimeRanges object represents the user's buffered ranges of the audio/video.

A buffered range is a time-range of buffered audio/video. The user gets several buffered ranges if he/she skips in the audio/video.

Note: This property is read-only.

Browser Support

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

Property
buffered Yes 9.0 4.0  Yes Yes

Syntax

audio|video.buffered

Return Value

Type Description
TimeRanges Object Represents the buffered parts of the audio/video.

TimeRanges Object Properties:

  • length - get the number of buffered ranges in the audio/video
  • start(index) - get the start position of a buffered range
  • end(index) - get the end position of a buffered range

Note: The first buffered range is index 0
❮ HTML Audio/Video DOM Reference
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