1. CSS Subgrid

    Feature of the CSS Grid Layout Module Level 2 that allows a grid-item with its own grid to align in one or both dimensions with its parent grid.

  2. Attributes for form submission

    Attributes for form submission that may be specified on submit buttons. The attributes are: `formaction`, `formenctype`, `formmethod`, `formnovalidate`, and `formtarget`

  3. Subresource Integrity

    Subresource Integrity enables browsers to verify that file is delivered without unexpected manipulation.

  4. submitevent api

  5. submitevent api: submitter

  6. subscriber api

  7. subscriber api: active

  8. subscriber api: addteardown

  9. subscriber api: complete

  10. subscriber api: error

  11. subscriber api: next

  12. subscriber api: signal

  13. subtlecrypto api

  14. subtlecrypto api: decrypt

  15. subtlecrypto api: derivebits

  16. subtlecrypto api: derivebits: `x25519` algorithm

  17. subtlecrypto api: derivekey

  18. subtlecrypto api: derivekey: `x25519` algorithm

  19. subtlecrypto api: digest

  20. subtlecrypto api: encrypt

  21. subtlecrypto api: exportkey

  22. subtlecrypto api: exportkey: `ed25519` algorithm

  23. subtlecrypto api: exportkey: `x25519` algorithm

  24. subtlecrypto api: generatekey

  25. subtlecrypto api: importkey

  26. subtlecrypto api: importkey: `ecdh` algorithm

  27. subtlecrypto api: importkey: `ecdsa` algorithm

  28. subtlecrypto api: importkey: `x25519` algorithm

  29. subtlecrypto api: secure context required

  30. subtlecrypto api: sign

  31. subtlecrypto api: sign: `ed25519` algorithm

  32. subtlecrypto api: unwrapkey

  33. subtlecrypto api: verify

  34. subtlecrypto api: verify: `ed25519` algorithm

  35. subtlecrypto api: available in workers

  36. subtlecrypto api: wrapkey

  37. html element: sub

  38. javascript built-in: atomics: sub

  39. javascript built-in: string: sub

  40. javascript built-in: string: substr

  41. javascript built-in: string: substring

  42. javascript built-in: temporal api: duration: subtract

  43. javascript built-in: temporal api: instant: subtract

  44. javascript built-in: temporal api: plaindatetime: subtract

  45. javascript built-in: temporal api: plaindate: subtract

  46. javascript built-in: temporal api: plaintime: subtract

  47. javascript built-in: temporal api: plainyearmonth: subtract

  48. javascript built-in: temporal api: zoneddatetime: subtract

  49. javascript built-in: typedarray: subarray

  50. javascript operator: subtraction (`-`)