jiangping
2025-07-19 24e49ffa60cc9b138bd0c6ed912a61ecc9f1aa6e
1
2
3
4
5
6
7
8
9
10
'use strict';
var $ = require('../internals/export');
var WeakSetHelpers = require('../internals/weak-set-helpers');
var createCollectionFrom = require('../internals/collection-from');
 
// `WeakSet.from` method
// https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.from
$({ target: 'WeakSet', stat: true, forced: true }, {
  from: createCollectionFrom(WeakSetHelpers.WeakSet, WeakSetHelpers.add, false)
});