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 Superseded by ES modules.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. cssimportrule api

  6. cssimportrule api: href

  7. cssimportrule api: layername

  8. cssimportrule api: media

  9. cssimportrule api: stylesheet

  10. cssimportrule api: supportstext

  11. document api: importnode

  12. gpudevice api: importexternaltexture

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

  14. subtlecrypto api: importkey

  15. workerglobalscope api: importscripts

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

  17. xsltprocessor api: importstylesheet

  18. css at-rule: `@import`

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

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

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

  22. html element: script: type: importmap

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

  24. javascript operator: import

  25. javascript operator: `import.meta`

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

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

  28. javascript operator: import: available in workers

  29. javascript statement: import

  30. javascript statement: import: import attributes (`assert` syntax)

  31. javascript statement: import: import attributes (`assert` syntax): import assert {type: json}

  32. javascript statement: import: import attributes

  33. javascript statement: import: import attributes: import with `{type: 'json'}`

  34. javascript statement: import: available in service workers

  35. javascript statement: import: available in workers

  36. javascript statement: import: available in worklets

  37. ecmascript 2020 (es11)