FPWD: Intersection Observer (Call for Wide Review)

Intersection Observer

https://www.w3.org/TR/2017/WD-intersection-observer-20170914/

Abstract


This specification describes an API that can be used to understand the visibility and position of DOM elements ("targets") relative to a containing element or to the top-level viewport ("root"). The position is delivered asynchronously and is useful for understanding the visibility of elements and implementing pre-loading and deferred loading of DOM content.

Status of the Document

 

This section describes the status of this document at the time of its publication. Other documents may supersede this document. 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 Web Platform Working Group as a First Public Working Draft. This document is intended to become a W3C Recommendation. 

This document is ready for wide review. 

Feedback and comments on this specification are welcome, please file them as GitHub issues, or send them to public-webapps@w3.org (subscribe, archives) with [intersection-observer] at the start of your email’s subject. 

Publication as a First Public Working Draft does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress. 

This document was produced by a group operating under the 5 February 2004 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 is governed by the 1 March 2017 W3C Process Document.