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 Language Specification
# sec-get-map.prototype.size

Browser compatibility

BCD tables only load in the browser

See also