WeakSethasbeginner

WeakSet.prototype.has() — after delete

📖 Usage Example

const ws = new WeakSet()
const o = {}
ws.add(o)
ws.delete(o)
ws.has(o)  // → false

has() returns false after the object has been deleted.

WeakSet has() After Delete

After delete(obj), has(obj) returns false.

Challenge: Verify has() after deletion.

💡 Hints (1)

10/20