let array = [8, 5, 2, 9, 10, 1]; function bubbleSort(arr) { //debugger; for (let n=0;n<arr.length;n++) { for (let i=0;i<arr.length-n;i++) { if (arr[i] > arr[i + 1]) { let temp = arr[i + 1]; arr[i + 1] = arr[i]; arr[i] = temp; } } } return arr; } bubbleSort(array); console.log(array);