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A WeakSet is used to store a collection of weakly(weak references) held objects. The syntax would be as follows,
javascript
1new WeakSet([iterable]);Let's see the below example to explain it's behavior,
javascript
1var ws = new WeakSet();
2
3var user = {};
4
5ws.add(user);
6
7ws.has(user); // true
8
9ws.delete(user); // removes user from the set
10
11ws.has(user); // false, user has been removedAdvertisement
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JavaScript Coding Exercise 34
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