JavaScript@javascript P.2350

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JavaScript@javascript P.2350

JAVASCRIPT Telegram 2350

CHALLENGE

const user = { id: 1, name: 'Alice' };
const userData = new WeakMap();

userData.set(user, { lastLogin: '2023-01-01' });
const clone = { ...user };

const originalData = userData.get(user);
const cloneData = userData.get(clone);

console.log(originalData, cloneData);

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www.tgoop.com/javascript/2350

4.35K viewsMay 26 at 06:31

tgoop.com/javascript/2350

Create: 2025-05-26
Last Update: 2025-07-23 12:21:19

CHALLENGE

const user = { id: 1, name: 'Alice' };
const userData = new WeakMap();

userData.set(user, { lastLogin: '2023-01-01' });
const clone = { ...user };

const originalData = userData.get(user);
const cloneData = userData.get(clone);

console.log(originalData, cloneData);

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Date: 2025-07-23|

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