JSFiddle - React, Tailwind, and code Playground

by Artem

JavaScript

'use strict';

let users = [
	{name: 'Vasya'},
  {name: 'Petya'}
];

let weakSet = new WeakSet();
weakSet.add(users[0]).add(users[1]);

users.shift();
setTimeout(function() {
	console.log(weakSet);
}, 1000);