HighlightRegistry: clear()-Methode
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Die clear()
-Methode der HighlightRegistry
-Schnittstelle entfernt alle Highlight
-Objekte, die im HighlightRegistry
registriert sind.
HighlightRegistry
ist ein Map
-ähnliches Objekt, daher ist dies ähnlich wie die Verwendung von Map.clear()
.
Syntax
js
clear()
Rückgabewert
Keiner (undefined
).
Beispiele
Der folgende Code-Schnipsel registriert zwei Highlight-Objekte im Registry und löscht dann das Registry:
js
const customHighlight1 = new Highlight(range1, range2);
const customHighlight2 = new Highlight(range3, range4, range5);
CSS.highlights.set("custom-highlight-1", customHighlight1);
CSS.highlights.set("custom-highlight-2", customHighlight2);
console.log(CSS.highlights.size); // 2
CSS.highlights.clear();
console.log(CSS.highlights.size); // 0
Spezifikationen
Specification |
---|
ECMAScript® 2025 Language Specification # sec-map.prototype.clear |
Browser-Kompatibilität
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
clear |
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.