1. HEIF/ISO Base Media File Format

    HEIF (High Efficiency Image File Format) is a standard developed by the Moving Picture Experts Group (MPEG) for storage and sharing of images and image sequences. Can use `.heif` or `.heic` file extensions.

  2. Picture element

    A responsive images method to control which image resource a user agent presents to a user, based on resolution, media query and/or support for a particular image format

  3. Picture-in-Picture

    Allows websites to create a floating video window that is always on top of other windows so that users may continue consuming media while they interact with other sites or applications on their device.

  4. document api: exitpictureinpicture

  5. document api: pictureinpictureelement

  6. document api: pictureinpictureenabled

  7. htmlpictureelement api

  8. htmlvideoelement api: autopictureinpicture

  9. htmlvideoelement api: disablepictureinpicture

  10. htmlvideoelement api: `enterpictureinpicture` event

  11. htmlvideoelement api: `leavepictureinpicture` event

  12. htmlvideoelement api: onenterpictureinpicture

  13. htmlvideoelement api: onleavepictureinpicture

  14. htmlvideoelement api: requestpictureinpicture

  15. pictureinpictureevent api

  16. pictureinpictureevent api: `pictureinpictureevent()` constructor

  17. pictureinpictureevent api: pictureinpicturewindow

  18. pictureinpicturewindow api

  19. pictureinpicturewindow api: height

  20. pictureinpicturewindow api: onresize

  21. pictureinpicturewindow api: `resize` event

  22. pictureinpicturewindow api: width

  23. shadowroot api: pictureinpictureelement

  24. headers http header: feature-policy: picture-in-picture