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 Superseded by ES modules.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. subtlecrypto api: importkey

  14. workerglobalscope api: importscripts

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

  16. xsltprocessor api: importstylesheet

  17. css at-rule: `@import`

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

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

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

  21. html element: script: type: importmap

  22. javascript built-in: webassembly: module: imports

  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 assertions

  31. javascript statement: import: import assertions: import assert {type: json}

  32. javascript statement: import: available in workers

  33. ecmascript 2020 (es11)