1. @JSName('appendBuffer')
  2. @DomName('SourceBuffer.appendBuffer')
  3. @DocsEditable()
  4. @Experimental()
void appendTypedData(TypedData data)

Source

@JSName('appendBuffer')
@DomName('SourceBuffer.appendBuffer')
@DocsEditable()
@Experimental() // untriaged
void appendTypedData(TypedData data) native;