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Constructeur WeakRef() - JavaScript | MDN
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Cette page a été traduite à partir de l'anglais par la communauté. Vous pouvez contribuer en rejoignant la communauté francophone sur MDN Web Docs.
Constructeur WeakRef()
Baseline
Widely available
*
This feature is well established and works across many devices and browser versions. It’s been available across browsers since avril 2021.
* Some parts of this feature may have varying levels of support.
Le constructeur WeakRef crée un objet WeakRef
qui représente une référence faible vers un objet cible.
Syntaxe
js
new WeakRef(objetCible);
Paramètres
- objetCible
-
L'objet cible auquel l'objet
WeakRefdevrait faire référence (également appelé référent).
Exemples
Créer un nouvel objet WeakRef
Voir la page principale de WeakRef pour un exemple complet.
js
class Counter {
constructor(element) {
// Construit une référence faible vers un élément du DOM
this.ref = new WeakRef(element);
this.start();
}
}
Spécifications
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-weak-ref-constructor |
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