WeakSet in JavaScript is used to store a collection of objects. It adapts the same properties of that of a set i.e. does not store duplicates. The major difference between WeakSet and set is that a WeakSet is a collection of objects and not values of some particular type.

The complete list of JavaScript WeakSet are listed below:

• JavaScript weakSet.add() Method
• JavaScript weakSet.delete() Method
• JavaScript weakSet.has() Method