web api instance property
HighlightRegistry: size property
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
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
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.