JS Built-ins
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WeakSetdeletebeginner

WeakSet.prototype.delete() — returns false

📖 Usage Example
const ws = new WeakSet()
const o = {}
ws.delete(o)  // → false

delete() returns false if the object was never in the WeakSet.

WeakSet delete() Missing

ws.delete(obj) returns false when the object was not in the set.

Challenge: Verify delete returns false.

💡 Hints (1)
  • • delete() returns false when the object was not found.