WeakSetdeletebeginner

WeakSet.prototype.delete() — has() after delete

📖 Usage Example

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

After delete(), has() confirms the object is gone.

WeakSet delete() and has()

After delete, has(obj) returns false.

Challenge: Verify has() reflects deletion.

💡 Hints (1)

14/20