1. Printing Events

    Window fires `beforeprint` and `afterprint` events so the printed document can be annotated.

  2. Rebeccapurple color

    The new color added in CSS Color Module Level 4

  3. CSS widows & orphans

    CSS properties to control when lines break across pages or columns by defining the amount of lines that must be left before or after the break.

  4. Custom protocol handling

    Method of allowing a webpage to handle a given protocol using `navigator.registerProtocolHandler`. This allows certain URLs to be opened by a given web application, for example `mailto:` addresses can be opened by a webmail client.

  5. barprop api

  6. barprop api: visible

  7. barprop api: visible: returns `true` for non-popup windows

  8. svgfemorphologyelement api

  9. svgfemorphologyelement api: x

  10. svgfemorphologyelement api: y

  11. vrpose api

  12. vrpose api: angularacceleration

  13. vrpose api: angularvelocity

  14. vrpose api: linearacceleration

  15. vrpose api: linearvelocity

  16. vrpose api: orientation

  17. vrpose api: position

  18. xrplane api

  19. xrplaneset api

  20. xrplaneset api: @@iterator

  21. xrplaneset api: entries

  22. xrplaneset api: foreach

  23. xrplaneset api: has

  24. xrplaneset api: keys

  25. xrplaneset api: size

  26. xrplaneset api: values

  27. xrplane api: lastchangedtime

  28. xrplane api: orientation

  29. xrplane api: planespace

  30. xrplane api: polygon

  31. xrplane api: semanticlabel

  32. xrpose api

  33. xrpose api: angularvelocity

  34. xrpose api: emulatedposition

  35. xrpose api: linearvelocity

  36. xrpose api: transform

  37. xrprojectionlayer api

  38. xrprojectionlayer api: deltapose

  39. xrprojectionlayer api: fixedfoveation

  40. xrprojectionlayer api: ignoredepthvalues

  41. xrprojectionlayer api: texturearraylength

  42. xrprojectionlayer api: textureheight

  43. xrprojectionlayer api: texturewidth

  44. xrviewerpose api

  45. xrviewerpose api: views

  46. html element: rp