HighlightRegistry: size property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The size
property returns the number of Highlight
objects in the HighlightRegistry
.
Value
A read-only integer indicating how many Highlight
objects the registry contains.
Examples
Using size
js
const highlight1 = new Highlight();
const highlight2 = new Highlight();
CSS.highlights.set("highlight-1", highlight1);
CSS.highlights.set("highlight-2", highlight2);
console.log(CSS.highlights.size); // 2
Specifications
Specification |
---|
ECMAScript® 2025 Language Specification # sec-get-map.prototype.size |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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size |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- In development. Supported in a pre-release version.
- In development. Supported in a pre-release version.
- No support
- No support
- See implementation notes.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.