1. document.head

    Convenience property for accessing the `<head>` element

  2. 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.

  3. headers api

  4. headers api: @@iterator

  5. headers api: append

  6. headers api: delete

  7. headers api: entries

  8. headers api: foreach

  9. headers api: get

  10. headers api: getsetcookie

  11. headers api: has

  12. headers api: keys

  13. headers api: lexicographical sorting, and values from duplicate header names combined when iterated.

  14. headers api: set

  15. headers api: values

  16. html element: head

  17. headers http header: accept

  18. headers http header: age

  19. headers http header: alt-svc

  20. headers http header: cookie

  21. headers http header: date

  22. headers http header: dnt

  23. headers http header: downlink

  24. headers http header: ect

  25. headers http header: etag

  26. headers http header: expires

  27. headers http header: from

  28. headers http header: host

  29. headers http header: if-match

  30. headers http header: if-range

  31. headers http header: link

  32. headers http header: location

  33. headers http header: nel

  34. headers http header: origin

  35. headers http header: pragma

  36. headers http header: range

  37. headers http header: referer

  38. headers http header: report-to

  39. headers http header: rtt

  40. headers http header: save-data

  41. headers http header: sec-gpc

  42. headers http header: server

  43. headers http header: set-login

  44. headers http header: sourcemap

  45. headers http header: te

  46. headers http header: trailer

  47. headers http header: upgrade

  48. headers http header: vary

  49. headers http header: via

  50. headers http header: warning