CSS: highlights static property
Baseline
2025
Newly available
Since June 2025, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
The static, read-only highlights property of the CSS interface provides access to the HighlightRegistry used to style arbitrary text ranges using the CSS Custom Highlight API.
Value
The HighlightRegistry object.
Examples
The following example demonstrates creating multiple text ranges, then creating a Highlight object for them, registering this highlight in the HighlightRegistry, and finally styling the text ranges using the ::highlight() pseudo-element.
js
const parentNode = document.getElementById("foo");
const range1 = new Range();
range1.setStart(parentNode, 10);
range1.setEnd(parentNode, 20);
const range2 = new Range();
range2.setStart(parentNode, 40);
range2.setEnd(parentNode, 60);
const myCustomHighlight = new Highlight(range1, range2);
CSS.highlights.set("my-custom-highlight", myCustomHighlight);
css
::highlight(my-custom-highlight) {
background-color: yellow;
color: black;
}
Specifications
| Specification |
|---|
| CSS Custom Highlight API Module Level 1 # dom-css-highlights |
Browser compatibility
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