1. CSS ::marker pseudo-element

    The `::marker` pseudo-element allows list item markers to be styled or have their content value customized.

  2. HTML5 semantic elements

    HTML5 offers some new elements, primarily for semantic purposes. The elements include: `section`, `article`, `aside`, `header`, `footer`, `nav`, `figure`, `figcaption`, `time`, `mark` & `main`.

  3. User Timing API

    Method to help web developers measure the performance of their applications by giving them access to high precision timestamps.

  4. performancemark api

  5. performancemark api: detail

  6. performancemark api: `performancemark()` constructor

  7. performance api: clearmarks

  8. performance api: mark

  9. performance api: mark: `markoptions` parameter

  10. performance api: mark: returns `performancemark`

  11. speechsynthesisutterance api: `mark` event

  12. svgmarkerelement api

  13. svgmarkerelement api: markerheight

  14. svgmarkerelement api: markerunits

  15. svgmarkerelement api: markerwidth

  16. svgmarkerelement api: orient

  17. svgmarkerelement api: orientangle

  18. svgmarkerelement api: orienttype

  19. svgmarkerelement api: preserveaspectratio

  20. svgmarkerelement api: refx

  21. svgmarkerelement api: refy

  22. svgmarkerelement api: setorienttoangle

  23. svgmarkerelement api: setorienttoauto

  24. svgmarkerelement api: viewbox

  25. css property: marker

  26. css property: marker-end

  27. css property: marker-mid

  28. css property: marker-start

  29. css property: scroll-marker-group

  30. css property: scroll-marker-group: after

  31. css property: scroll-marker-group: before

  32. css property: scroll-marker-group: none

  33. css selector: `::checkmark`

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

  35. css selector: `::scroll-marker`

  36. css selector: `::scroll-marker-group`

  37. types: `<color>`: system colors: mark, marktext, buttonborder

  38. html element: input: `type="range"`: tick mark support

  39. html element: mark

  40. svg element: marker

  41. svg element: marker: markerheight

  42. svg element: marker: markerunits

  43. svg element: marker: markerwidth

  44. svg element: marker: orient

  45. svg element: marker: refx

  46. svg element: marker: refy

  47. svg element: marker: viewbox

  48. global_attributes: marker-end

  49. global_attributes: marker-mid

  50. global_attributes: marker-start