WeakRefderefbeginner

WeakRef.deref — access property

📖 Usage Example

const ref = new WeakRef({ v: 42 })
const val = ref.deref()
val?.v  // → 42

Always use optional chaining with deref() in case the object was collected.

WeakRef deref property

new WeakRef({val: 42}).deref()!.val === 42.

Challenge: Access a property through deref.

💡 Hints (1)

6/10