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View Transitions API
Smooth animations during page transitions
Implementing smooth animations during page transitions without flicker required complex JavaScript and CSS combinations. View Transitions API handles transition animations automatically via document.startViewTransition() or @view-transition rules for MPA.
By tracking specific elements with view-transition-name, you can implement shared element transitions where elements smoothly change position and size across pages.
How to Apply
1
In SPA, call document.startViewTransition(() => updateDOM())
2
In MPA, activate @view-transition via meta tag
3
Assign view-transition-name to shared elements
4
Customize transition animations with ::view-transition pseudo-elements
Pros
- ✓ Add page transition effects to existing apps with minimal code
- ✓ Supports both SPA and MPA, usable in any architecture
Cons
- ✗ Safari support is not yet complete
- ✗ Complex shared element transitions may have high layout calculation costs
Use Cases
Smooth transition from product list to detail page in e-commerce
Smooth color transition during dark/light mode switch