WeakMapdeletebeginner

WeakMap.prototype.delete() — returns true

📖 Usage Example

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

delete() removes the entry for the given key and returns true if it existed.

WeakMap delete()

wm.delete(key) returns true when the key existed.

Challenge: Verify delete returns true.

💡 Hints (1)

18/25