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. navigateevent api: transitionwhile

  11. navigation api: transition

  12. pagetransitionevent api

  13. transitionevent api

  14. transitionevent api: elapsedtime

  15. transitionevent api: propertyname

  16. transitionevent api: pseudoelement

  17. transitionevent api: `transitionevent()` constructor

  18. viewtransition api

  19. viewtransitiontypeset api

  20. viewtransition api: finished

  21. viewtransition api: ready

  22. viewtransition api: types

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

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

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

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

  27. css property: transition

  28. css property: transition-behavior

  29. css property: transition-delay

  30. css property: transition-duration

  31. css property: transition-property

  32. css property: transition-property: all

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

  34. css property: transition-property: none

  35. css property: transition-timing-function

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

  37. css property: transition: gradients can be animated

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

  39. css property: view-transition-class

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

  41. css property: view-transition-name

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

  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()`