classList (DOMTokenList)

Method of easily manipulating classes on elements, using the `DOMTokenList` object.

CSS Container Queries (Size)

Size queries in Container Queries provide a way to query the size of a container, and conditionally apply CSS to the content of that container.

CSS Container Style Queries

Style queries in Container Queries provide a way to query the current styling of a container, and conditionally apply additional CSS to the contents of that container.

CSS Container Query Units

Container Query Units specify a length relative to the dimensions of a query container. The units include: `cqw`, `cqh`, `cqi`, `cqb`, `cqmin`, and `cqmax`.

CSS Containment

The CSS `contain` property lets developers limit the scope of the browser's styles, layout and paint work for faster and more efficient rendering.

credentialscontainer api

credentialscontainer api: create

credentialscontainer api: create: `publickey` option

credentialscontainer api: create: `publickey` option: `create()` extensions

credentialscontainer api: create: `publickey` option: requireresidentkey

credentialscontainer api: create: `publickey` option: residentkey

credentialscontainer api: get

credentialscontainer api: get: `identity` option

credentialscontainer api: get: `publickey` option

credentialscontainer api: get: `publickey` option: `get()` extensions

credentialscontainer api: get: `publickey` option: `get()` extensions: `appid` extension

credentialscontainer api: get: `publickey` option: `get()` extensions: `largeblob` extension

credentialscontainer api: preventsilentaccess

credentialscontainer api: store

csscontainerrule api

csscontainerrule api: containername

csscontainerrule api: containerquery

domstringlist api: contains

domtokenlist api: contains

node api: contains

range api: endcontainer

range api: startcontainer

selection api: containsnode

selection api: containsnode: `partialcontainment` parameter is optional

taskattributiontiming api: containerid

taskattributiontiming api: containername

taskattributiontiming api: containersrc

taskattributiontiming api: containertype

css at-rule: `@container`

css at-rule: `@container`: style queries for custom properties

css property: background-size: `contain` and `cover`

css property: contain

css property: contain-intrinsic-block-size

css property: contain-intrinsic-height

css property: contain-intrinsic-inline-size

css property: contain-intrinsic-size

css property: contain-intrinsic-width

css property: container

css property: container-name

css property: container-type

css property: contain: inline-size

css property: contain: style

css property: user-select: contain

types: `<length>`: container query length units `cqw`, `cqh`, `cqi`, `cqb`, `cqmin`, `cqmax`

javascript built-in: intl: segments: containing