LangisWeakSetOn this pageisWeakSet_.isWeakSet(value) # Ⓢ [Ⓣ][1] Ⓝ Checks if value is classified as a WeakSet object. Since 4.3.0 Arguments value (*): The value to check. Returns (boolean): Returns true if value is a weak set, else false. Example _.isWeakSet(new WeakSet);// => true_.isWeakSet(new Set);// => false