Value

A double, indicating the start time of the append window, in seconds.

Exceptions

The following exceptions may be thrown when setting a new value for this property:

InvalidAccessError DOMException

Thrown if an attempt was made to set the value to less than 0 or to a value greater than or equal to SourceBuffer.appendWindowEnd.

InvalidStateError DOMException

Thrown if this SourceBuffer object is being updated (i.e., its SourceBuffer.updating property is currently true), or this SourceBuffer has been removed from the MediaSource.

Examples

TBD

Specifications

Browser compatibility

See also

• MediaSource
• SourceBufferList