Recommendation: CSS Containment Module Level 1

CSS Containment Module Level 1

https://www.w3.org/TR/2022/REC-css-contain-1-20221025/

This Recommendation contains proposed substantive chances (corrections and/or additions).

Published by
 Cascading Style Sheets (CSS) Working Group

Abstract

This CSS module describes the contain property, which indicates that the element’s subtree is independent of the rest of the page. This enables heavy optimizations by user agents when used well.  CSS is a language for describing the rendering of structured documents (such as HTML and XML) on screen, on paper, etc.

Status of the Document

This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at https://www.w3.org/TR/. 

This document was published by the CSS Working Group as a W3C Recommendation using the Recommendation track. A W3C Recommendation is a specification that, after extensive consensus-building, is endorsed by W3C and its Members, and has commitments from Working Group members to royalty-free licensing for implementations. 

Please send feedback by filing issues in GitHub (preferred), including the spec code “css-contain” in the title, like this: “[css-contain] …summary of comment…”. All issues and comments are archived. Alternately, feedback can be sent to the (archived) public mailing list www-style@w3.org. Comments are due by 10 January 2023. 

This document is governed by the 2 November 2021 W3C Process Document. 

This document was produced by a group operating under the W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy. 

 

This document was published by the CSS Working Group as a Recommendation using the Recommendation track. It includes proposed corrections. 

Proposed corrections are marked in the document. 

W3C recommends the wide deployment of this specification as a standard for the Web.

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Received on Wednesday, 26 October 2022 03:38:38 UTC