JavaScript modules via script tag

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

JavaScript modules: dynamic import()

Loading JavaScript modules dynamically using the import() syntax

Import maps

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

HTML Imports

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 Superseded by ES modules.

cssimportrule api

cssimportrule api: href

cssimportrule api: layername

cssimportrule api: media

cssimportrule api: stylesheet

cssimportrule api: supportstext

document api: importnode

gpudevice api: importexternaltexture

gpudevice api: importexternaltexture: `videoframe` object as source

subtlecrypto api: importkey

workerglobalscope api: importscripts

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

xsltprocessor api: importstylesheet

css at-rule: `@import`

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

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

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

html element: script: type: importmap

javascript built-in: webassembly: module: imports

grammar: trailing commas: trailing comma in dynamic import

javascript operator: import

javascript operator: `import.meta`

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

javascript operator: import: the `options` parameter

javascript operator: import: available in workers

javascript statement: import

javascript statement: import: import assertions

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

javascript statement: import: available in service workers

javascript statement: import: available in workers

javascript statement: import: available in worklets

ecmascript 2020 (es11)