new WeakSet(…)
Creates a new WeakSet object.WeakSet.WeakSet([iterable])
[Symbol.toStringTag]
The initial value of the @@toStringTag property is the String value "WeakSet".w[Symbol.toStringTag]
add(…)
Appends a new object to the end of a WeakSet object.w.add(value)
delete(…)
Removes the specified element from a WeakSet object.w.delete(value)
has(…)
Returns a boolean indicating whether an object exists in a WeakSet or not.w.has(value)
WeakSet.prototype
The prototype of the WeakSet constructor.WeakSet.prototype