1. JavaScript modules via script tag

    Loading JavaScript module scripts (aka ES6 modules) using `<script type="module">` Includes support for the `nomodule` attribute.

  2. JavaScript modules: dynamic import()

    Loading JavaScript modules dynamically using the import() syntax

  3. Import maps

    Import maps allow control over what URLs get fetched by JavaScript `import` statements and `import()` expressions.

  4. HTML Imports

    Deprecated method of including and reusing HTML documents in other HTML documents. Superseded by ES modules.

  5. WebAssembly Import/Export of Mutable Globals

    An extension to WebAssembly import and export of mutable global variables

  6. cssimportrule api

  7. cssimportrule api: href

  8. cssimportrule api: layername

  9. cssimportrule api: media

  10. cssimportrule api: stylesheet

  11. cssimportrule api: supportstext

  12. document api: importnode

  13. gpudevice api: importexternaltexture

  14. gpudevice api: importexternaltexture: `videoframe` object as source

  15. subtlecrypto api: importkey

  16. subtlecrypto api: importkey: `ed25519` algorithm

  17. workerglobalscope api: importscripts

  18. workerglobalscope api: importscripts: strict mime type checks for `importscripts()`

  19. xsltprocessor api: importstylesheet

  20. css at-rule: `@import`

  21. css at-rule: `@import`: `layer(<layer-name>)`

  22. css at-rule: `@import`: `supports() as import condition`

  23. css at-rule: `@keyframes`: ignore `!important` declarations

  24. html element: script: type: `type="importmap"`

  25. html element: script: type: `type="importmap"`: `integrity`

  26. grammar: trailing commas: trailing comma in dynamic import

  27. javascript operator: import

  28. javascript operator: `import.meta`

  29. javascript operator: `import.meta`: `import.meta.resolve`

  30. javascript operator: import: the `options` parameter

  31. javascript operator: import: available in workers

  32. javascript statement: import

  33. javascript statement: import: import attributes with `assert` syntax (formerly import assertions)

  34. javascript statement: import: import attributes with `assert` syntax (formerly import assertions): `assert {type: 'css'}`

  35. javascript statement: import: import attributes with `assert` syntax (formerly import assertions): `assert {type: 'json'}`

  36. javascript statement: import: import attributes (`with` syntax)

  37. javascript statement: import: import attributes (`with` syntax): `with {type: 'css'}`

  38. javascript statement: import: import attributes (`with` syntax): `with {type: 'json'}`

  39. javascript statement: import: available in service workers

  40. javascript statement: import: available in workers

  41. javascript statement: import: available in worklets

  42. ecmascript 2020 (es11)