1. CSS3 Transitions

    Simple method of animating certain properties of an element, with ability to define property, duration, delay and timing function.

  2. PageTransitionEvent

    Fired at the Window when the page's entry in the session history stops being the current entry. Includes the `pageshow` and `pagehide` events.

  3. View Transitions API (single-document)

    Provides a mechanism for easily creating animated transitions between different DOM states, while also updating the DOM contents in a single step. This API is specific to single-document transitions, support for same-origin cross-document transitions is [being planned](https://github.com/WICG/view-transitions/blob/main/cross-doc-explainer.md).

  4. csstransition api

  5. csstransition api: transitionproperty

  6. element api: `transitioncancel` event

  7. element api: `transitionend` event

  8. element api: `transitionrun` event

  9. element api: `transitionstart` event

  10. navigation api: transition

  11. pagetransitionevent api

  12. transitionevent api

  13. transitionevent api: elapsedtime

  14. transitionevent api: propertyname

  15. transitionevent api: pseudoelement

  16. transitionevent api: `transitionevent()` constructor

  17. viewtransition api

  18. viewtransitiontypeset api

  19. viewtransition api: ready

  20. viewtransition api: types

  21. css at-rule: `@media`: `-webkit-transition` media feature

  22. css at-rule: `@view-transition`

  23. css property: content-visibility: transitionable when setting `transition-behavior: allow-discrete`

  24. css property: display: transitionable when setting `transition-behavior: allow-discrete`

  25. css property: transition

  26. css property: transition-behavior

  27. css property: transition-delay

  28. css property: transition-duration

  29. css property: transition-property

  30. css property: transition-property: all

  31. css property: transition-property: `ident` value

  32. css property: transition-property: none

  33. css property: transition-timing-function

  34. css property: transition-timing-function: `jump-` keywords for `steps()`

  35. css property: transition: gradients can be animated

  36. css property: transition: `transition-behavior` value

  37. css property: view-transition-class

  38. css property: view-transition-class: none

  39. css property: view-transition-name

  40. css property: view-transition-name: none

  41. css selector: `:active-view-transition`

  42. css selector: `:active-view-transition-type()`

  43. css selector: `::after`: animation and transition support

  44. css selector: `::before`: animation and transition support

  45. css selector: `::marker`: animation and transition support

  46. css selector: `::view-transition`

  47. css selector: `::view-transition-group()`

  48. css selector: `::view-transition-image-pair()`

  49. css selector: `::view-transition-new()`

  50. css selector: `::view-transition-old()`