WeakMapsetbeginner

WeakMap.prototype.set() — multiple keys

📖 Usage Example

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

set() returns the WeakMap itself, enabling method chaining.

WeakMap Multiple Keys

Different object keys can each hold their own values.

Challenge: Verify independent keys.

💡 Hints (1)

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