This article explains the theory behind how the View Transitions API works, how to create view transitions and customize the transition animations, and how to manipulate active view transitions. This covers view transitions for both DOM state updates in a single-page app (SPA), and navigating between documents in a multi-page app (MPA)....DOM state updates in a single-page app (SPA), and navigating between...between documents in a multi-page app (MPA). The view transition...