addAll
Add all videos in the collection to the end of the list.
Parameters
videos
The videos to append.
Inserts all videos in the collection at the specified index.
Throws
when index <0 or index is larger than the size of the video list.
Add all videos in the collection to the end of the list.
The videos to append.
Inserts all videos in the collection at the specified index.
when index <0 or index is larger than the size of the video list.