WeakRefbeginner

WeakRef — typeof

📖 Usage Example

const target = {}
const ref = new WeakRef(target)
ref.deref() === target  // → true

deref() returns the original target object if it has not been garbage collected.

typeof WeakRef Instance

typeof new WeakRef({}) is 'object'.

Challenge: Verify the type.

💡 Hints (1)

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