Set..clear()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

La méthode clear() permet de retirer tous les éléments d'un ensemble Set.

Exemple interactif

const set1 = new Set();
set1.add(1);
set1.add("foo");

console.log(set1.size);
// Expected output: 2

set1.clear();

console.log(set1.size);
// Expected output: 0

Syntaxe

monSet.clear();

Valeur de retour

undefined.

Exemples

var monSet = new Set();
monSet.add(1);
monSet.add("toto");

monSet.size; // 2
monSet.has("toto"); // true

monSet.clear();

monSet.size; // 0
monSet.has("truc"); // false

Spécifications

Specification
ECMAScript® 2026 Language Specification
# sec-set..clear

Compatibilité des navigateurs

Voir aussi