Can I use :focus-within CSS pseudo-class?

Compatibility table for support of :focus-within CSS pseudo-class in desktop and mobile browsers.

Legend

:focus-within CSS pseudo-class

- UNOFF

The :focus-within pseudo-class matches elements that either themselves match :focus or that have descendants which match :focus.

IE

  1. 5.5
  2. 6
  3. 7
  4. 8
  5. 9
  6. 10
  7. 11

Edge

  1. 12
  2. 13
  3. 14
  4. 15
  5. 16
  6. 17
  7. 18
  8. 76

Firefox

  1. 2
  2. 3
  3. 3.5
  4. 3.6
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70

Chrome

  1. 4
  2. 5
  3. 6
  4. 7
  5. 8
  6. 9
  7. 10
  8. 11
  9. 12
  10. 13
  11. 14
  12. 15
  13. 16
  14. 17
  15. 18
  16. 19
  17. 20
  18. 21
  19. 22
  20. 23
  21. 24
  22. 25
  23. 26
  24. 27
  25. 28
  26. 29
  27. 30
  28. 31
  29. 32
  30. 33
  31. 34
  32. 35
  33. 36
  34. 37
  35. 38
  36. 39
  37. 40
  38. 41
  39. 42
  40. 43
  41. 44
  42. 45
  43. 46
  44. 47
  45. 48
  46. 49
  47. 50
  48. 51
  49. 52
  50. 53
  51. 54
  52. 55
  53. 56
  54. 57
  55. 58
  56. 59
  57. 60
  58. 61
  59. 62
  60. 63
  61. 64
  62. 65
  63. 66
  64. 67
  65. 68
  66. 69
  67. 70
  68. 71
  69. 72
  70. 73
  71. 74
  72. 75
  73. 76
  74. 77
  75. 78
  76. 79

Safari

  1. 3.1
  2. 3.2
  3. 4
  4. 5
  5. 5.1
  6. 6
  7. 6.1
  8. 7
  9. 7.1
  10. 8
  11. 9
  12. 9.1
  13. 10
  14. 10.1
  15. 11
  16. 11.1
  17. 12
  18. 12.1
  19. 13
  20. TP

Opera

  1. 9
  2. 9.5-9.6
  3. 10.0-10.1
  4. 10.5
  5. 10.6
  6. 11
  7. 11.1
  8. 11.5
  9. 11.6
  10. 12
  11. 12.1
  12. 15
  13. 16
  14. 17
  15. 18
  16. 19
  17. 20
  18. 21
  19. 22
  20. 23
  21. 24
  22. 25
  23. 26
  24. 27
  25. 28
  26. 29
  27. 30
  28. 31
  29. 32
  30. 33
  31. 34
  32. 35
  33. 36
  34. 37
  35. 38
  36. 39
  37. 40
  38. 41
  39. 42
  40. 43
  41. 44
  42. 45
  43. 46
  44. 47
  45. 48
  46. 49
  47. 50
  48. 51
  49. 52
  50. 53
  51. 54
  52. 55
  53. 56
  54. 57
  55. 58
  56. 60
  57. 62

iOS Safari

  1. 3.2
  2. 4.0-4.1
  3. 4.2-4.3
  4. 5.0-5.1
  5. 6.0-6.1
  6. 7.0-7.1
  7. 8
  8. 8.1-8.4
  9. 9.0-9.2
  10. 9.3
  11. 10.0-10.2
  12. 10.3
  13. 11.0-11.2
  14. 11.3-11.4
  15. 12.0-12.1
  16. 12.2-12.3
  17. 13

Opera Mini

  1. all

Android Browser

  1. 2.1
  2. 2.2
  3. 2.3
  4. 3
  5. 4
  6. 4.1
  7. 4.2-4.3
  8. 4.4
  9. 4.4.3-4.4.4
  10. 67

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10
  2. 11
  3. 11.1
  4. 11.5
  5. 12
  6. 12.1
  7. 46

Chrome for Android

  1. 75

Firefox for Android

  1. 67

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4
  2. 5.0-5.4
  3. 6.2-6.4
  4. 7.2-7.4
  5. 8.2
  6. 9.2

QQ Browser

  1. 1.2

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5
Resources:
ally.style.focusWithin Polyfill, part of ally.js
JS Bin testcase
Chromium issue #617371: Implement `:focus-within` pseudo-class from Selectors Level 4
WebKit bug #140144: Add support for CSS4 `:focus-within` pseudo
Mozilla bug #1176997: Add support for pseudo class `:focus-within`
MDN Web Docs - :focus-within
Microsoft Edge feature request on UserVoice
The Future Generation of CSS Selectors: Level 4: Generalized Input Focus Pseudo-class