const arr = [4,5,3,2,4,5,6]; let temp; for (let i = 0; i < arr.length; i++) { for (let j = i + 1; j < arr.length; j++) { // Start from i + 1 to avoid comparing elements already checked if (arr[i] === arr[j]) { temp = arr[j]; arr[j] = arr[i]; arr[i] = temp; } } } console.log(arr);var Arr = [1, 7, 2, 8, 3, 4, 5, 0, 9]; for (var i = 1; i < Arr.length; i++) for (var j = 0; j < i; j++) if (Arr[i] < Arr[j]) { var x = Arr[i]; Arr[i] = Arr[j]; Arr[j] = x; } console.log(Arr); Run code snippetHide results[1,2,3,4,5,6]