JavaScript@js_universe P.2115

CHALLENGE

const items = new WeakSet();
const obj1 = { id: 1 };
const obj2 = { id: 2 };

items.add(obj1);
items.add(obj2);

obj2.value = 'test';
console.log(items.has(obj2));

obj2 = null;
setTimeout(() => {
  console.log(items.has(obj2));
}, 0);

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www.tgoop.com/javascript/2115

5.39K viewsMar 4 at 06:32

tgoop.com/js_universe/2115

Create: 2025-03-04
Last Update: 2025-07-14 09:09:55

CHALLENGE

const items = new WeakSet();
const obj1 = { id: 1 };
const obj2 = { id: 2 };

items.add(obj1);
items.add(obj2);

obj2.value = 'test';
console.log(items.has(obj2));

obj2 = null;
setTimeout(() => {
  console.log(items.has(obj2));
}, 0);

BY JavaScript

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