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HighlightRegistry: size property

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
size 105 105 preview No 91 No 105 105 No 72 No 20.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/HighlightRegistry/size