Can I use
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50 results found.

  1. background-position-x & background-position-y

    CSS longhand properties to define x or y positions separately.

  2. document.evaluate & XPath

    Allow nodes in an XML/HTML document to be traversed using XPath expressions.

  3. CSS Flexible Box Layout Module

    Method of positioning elements in horizontal or vertical stacks. Support includes all properties prefixed with `flex`, as well as `display: flex`, `display: inline-flex`, `align-content`, `align-items`, `align-self`, `justify-content` and `order`.

  4. JPEG XL image format

    A modern image format optimized for web environments. JPEG XL generally has better compression than [WebP](/webp), JPEG, PNG and GIF and is designed to supersede them. JPEG XL competes with [AVIF](/avif) which has similar compression quality but fewer features overall.

  5. JPEG XR image format

    JPEG XR was built to supersede the original JPEG format by having better compression and more features. [WebP](/webp), [AVIF](/avif) and [JPEG XL](/jpegxl) are all designed to supersede JPEG XR.

  6. WebXR Device API

    API for accessing virtual reality (VR) and augmented reality (AR) devices, including sensors and head-mounted displays.

  7. X-Frame-Options HTTP header

    An HTTP header which indicates whether the browser should allow the webpage to be displayed in a frame within another webpage. Used as a defense against clickjacking attacks.

  8. XMLHttpRequest advanced features

    Updated functionality to the original XHR specification including things like file uploads, transfer progress information and the ability to send FormData. Previously known as [XMLHttpRequest Level 2](https://www.w3.org/TR/2012/WD-XMLHttpRequest-20120117/), these features now appear simply in the XMLHttpRequest spec.

  9. XHTML served as application/xhtml+xml

    A strict form of HTML, and allows embedding of other XML languages

  10. XHTML+SMIL animation

    Method of using SMIL animation in web pages

  11. xmldocument api

  12. xmlserializer api

  13. xpathresult api

  14. xranchor api

  15. xranchorset api

  16. xrcamera api

  17. xrcubelayer api

  18. xrframe api

  19. xrhand api

  20. xrhand api: get

  21. xrhand api: keys

  22. xrhand api: size

  23. xrjointpose api

  24. xrjointspace api

  25. xrlayer api

  26. xrlayerevent api

  27. xrlightprobe api

  28. xrpose api

  29. xrquadlayer api

  30. xrray api

  31. xrray api: origin

  32. xrrenderstate api

  33. xrsession api

  34. xrspace api

  35. xrsubimage api

  36. xrsystem api

  37. xrview api

  38. xrviewerpose api

  39. xrviewport api

  40. xrviewport api: x

  41. xrviewport api: y

  42. xrview api: eye

  43. xrwebgllayer api

  44. xsltprocessor api

  45. css property: x

  46. html element: xmp

  47. javascript built-in: atomics: xor