Set.prototype.clear()

Baseline

20157

clear() Set

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

console.log(set.size);
// : 2

set.clear();

console.log(set.size);
// : 0

clear()

(undefined)

clear()

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

console.log(mySet.size); // 2
console.log(mySet.has("foo")); // true

mySet.clear();

console.log(mySet.size); // 0
console.log(mySet.has("foo")); // false


ECMAScript 2027 LanguageSpecification # sec-set.prototype.clear

Set
Set.prototype.delete()

MDN

MDN 2025818

GitHub

Set
1. Set()
1. [Symbol.species]
1. size
Object/Function
1. __proto__
2. constructor