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HTML Audio/Video DOM buffered-Eigenschaft

HTMLMediaElement.buffered gibt ein TimeRanges-Objekt zurück, das die bereits geladenen Bereiche des Mediums angibt

Online-Beispiel

Ermitteln Sie den ersten Bufferbereich des Videos in Sekunden (Teil):

Beispiel

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>HTML Audio/视频 buffered 属性使用-Grundlagen教程(oldtoolbag.com)>/title>
</head>
<body>
<button onclick="getFirstBuffRange()" type="button">Erhalten Sie den ersten Bufferbereich des Videos</button>
<br>　
<video id="video1" controls="controls">
　　<source src="movie.mp4" type="video/mp4">
　　<source src="movie.ogg" type="video/ogg">
　　Ihr Browser unterstützt keine HTML5　video-Tag.
</video>
<script>
myVid=document.getElementById("video1");
function getFirstBuffRange()
{　
　　alert("Start: "　+　myVid.buffered.start(0)　+　"End: "　　+　myVid.buffered.end(0));
}　
</script>　
</body>
</html>

Testen sehen ›/›

Definition and usage

The buffered property returns a TimeRanges object.
The TimeRanges object represents the user's audio/Video buffered range.
Buffered range is buffered audio/Video time range. If the user skips the audio/If there is a video, multiple buffered ranges will be obtained.
Note: This property is read-only.

Browser compatibility

IEFirefoxOperaChromeSafari

All major browsers support the buffered property.

Note:Internet Explorer 8 And earlier versions do not support this property.

Syntax

audio|video.buffered

Return value

Type	Description
TimeRanges object	Represents the audio/The buffered part of the video. Properties of the TimeRanges object: length - Get the audio/Number of buffered ranges in the 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 rangeSubscriptIs 0.

　HTML Audio/Video DOM Reference Manual

HTML: <template> Tag