#DEFINE HIGHLIGHT FULL#
#DEFINE HIGHLIGHT CODE#

(also known as the custom highlight pseudo-element) The Custom Highlight Pseudo-element: ::highlight() The highlight will be first painted with foo’s color (green)Īs a result, the highlighted content will appear red. In this case, because foo was registered before bar, However, each highlight name gets an independent set of highlight styles,Īnd the highlight will be painted once per name. Since each of the style rules target the same highlight and have the same specificity,Īuthors might expect the last rule to win in cascading order The same custom highlight object is registered under the names foo and bar. setEnd (div, 1 ) let h = new Highlight (r ) enum HighlightType abc let div = document. See § 5.2 Range Updating and Invalidation for more details about this choice and its implications. Note: As the ranges in a custom highlight are AbstractRange objects,Īuthors can chose between using Range objects and StaticRange objects. Or by using the usual API of setlike objects

Ranges can be added to a custom highlight either by passing them to its constructor, Or to handle to events associated with themĬustom highlights are represented by Highlight objects, setlike objects whose set entries are AbstractRange objects. They can be used to affect the appearance of these portions of the document They do not necessarily fit into the element tree,Īnd can arbitrarily cross element boundaries without honoring its nesting structure. Creating Custom HighlightsĪ custom highlight is a collection of ranges representing portions of a document.

#DEFINE HIGHLIGHT FULL#

See References for a full list of dependencies.Īs it matures, the CSS-WG could decide to keep it as an independent module, The Selectors Level 4 specification defines how pseudo-elements work in general. Īnd specifically extends the mechanisms defined in CSS Pseudo-Elements Module Level 4 to handle highlight pseudo-elements. This module depends on the Infra Standard and on WebIDL.

Implementations of Unstable and Proprietary Features.

Changes since the 22 October 2020 Working Draft.

Changes since the 8 December 2020 Working Draft.

4.2.5 Priority of Overlapping Highlights.

4.1 The Custom Highlight Pseudo-element: ::highlight().

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#DEFINE HIGHLIGHT CODE#

Including the spec code “css-highlight-api” in the title, like this: It is inappropriate to cite this document as other than work in progress. Or obsoleted by other documents at any time. īy the CSS Working Group as a Working Draft using the Recommendationĭoes not imply endorsement by W3C and its Members. This section describes the status of this document at the time of its publication.Īnd the latest revision of this technical reportĬan be found in the W3C technical reports index at.

Define highlight