ReadonlyelementViewer wrapper element.
ReadonlypageNumber of pages in the viewer.
Tears down the pages and media-query listeners and removes the viewer.
Returns the zero-based index of the current page.
Navigates to a zero-based page index. The index is clamped to the valid range.
Advances by one page in single mode or two pages in spread mode.
Moves back by one page in single mode or two pages in spread mode.
Re-applies the current layout and binding after external changes.
Handle returned by
createCourseReaderViewer.