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The WeakSet
object lets you store weakly held objects in a collection.
The
WeakSet
.prototype
property represents the prototype for the
WeakSet
constructor.
The add()
method appends a new object to the end of a WeakSet
object.
The clear()
method used to remove all elements from a WeakSet
object, but is no longer part of ECMAScript and its implementations.
The delete()
method removes the specified element from a WeakSet
object.
The has()
method returns a boolean indicating whether an object exists in a WeakSet
or not.