Highlight: size property - Web APIs | MDN

Highlight: size 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.

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The size property returns the number of AbstractRange objects in a Highlight object.

Value

The value of size is a read-only integer representing how many entries the highlight object has.

Examples

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Using size

js
const highlight = new Highlight();
highlight.add(range1);
highlight.add(range2);
highlight.add(range3);

console.log(highlight.size); // 3

Specifications

Specification
ECMAScript® 2027 Language Specification>
# sec-get-set.prototype.size>

Browser compatibility

See also