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appendWindowEnd property of the
SourceBuffer interface controls the timestamp for the end of the append window, a timestamp range that can be used to filter what media data is appended to the
SourceBuffer. Coded media frames with timestamps wthin this range will be appended, whereas those outside the range will be filtered out.
The default value of
appendWindowEnd is positive infinity.
var myAppendWindowEnd = sourceBuffer.appendWindowEnd; sourceBuffer.appendWindowEnd = 120.0;
A double, indicating the end time of the append window, in seconds.
The following errors may be thrown when setting a new value for this property.
||An attempt was made to set the value to less than or equal to
|Media Source Extensions
The definition of 'appendWindowEnd' in that specification.
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|Feature||Chrome||Edge||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||23||(Yes)||25.0 (25.0)
|Feature||Android||Edge||Firefox Mobile (Gecko)||Firefox OS (Gecko)||IE Phone||Opera Mobile||Safari Mobile|
|No support||11||30||No support|
 Available after switching the
true. In addition, support was limited to a whitelist of sites, for example YouTube, Netflix, and other popular streaming sites. The whitelist was removed and Media Source Extensions was enabled by default in 42+ for all sites.
 Only works on Windows 8+.