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function findDuplicates(arr) { var duplicates = {}; for (var i = 0; i < arr.length; i++) { var count = 0; for (var j = 0; j < arr.length; j++) { if (arr[i] === arr[j]) { count++; } } if (count > 1) { duplicates[arr[i]] = count; } } for (var key in duplicates) { console.log("Number:", key, "Count:", duplicates[key]); } } // Example usage: var array = [1, 2, 3, 4, 4, 5, 6, 6, 6, 7, 8, 9, 9]; findDuplicates(array);
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