WeakMaphasbeginner

WeakMap.prototype.has() — after delete

📖 Usage Example

const wm = new WeakMap()
const k = {}
wm.set(k, 1)
wm.delete(k)
wm.has(k)  // → false

has() returns false after a key has been deleted.

WeakMap has() After Delete

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

Challenge: Verify has() after deletion.

💡 Hints (1)

16/25