Audio bufferedProperty

Audio 对象参考手册Audio Object

Examples

Get the buffered range of the first part of the audio:

var x = document.getElementById("myAudio");
document.getElementById("demo").innerHTML = "Start: " + x.buffered.start(0)
+ " End: " + x.buffered.end(0);

Try it Yourself »

Definition and Usage

The buffered property returns a TimeRanges object.

The TimeRanges object represents the buffered ranges of the audio.

A buffered range refers to the time range of buffered audio/video. If the user jumps around in the audio/video, multiple buffered ranges will be obtained.

Note: This property is read-only.

Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support the buffered object.

Note:Internet Explorer 8 or earlier browsers do not support this property.

Syntax

audioObject.buffered

Return Value

Type Description
TimeRanges object Represents the buffered parts of audio/video. TimeRanges object properties:
  • length - Gets the number of buffered ranges in the audio/video
  • start(index) - Gets the start position of a specified buffered range
  • end(index) - Gets the end position of a specified buffered range

Note:The index of the first buffered range is 0.

Audio 对象参考手册Audio Object Other Extensions