function bubbleSortDescending(arr) {
let i = 0, j;
while (i < arr.length) {
j = i + 1;
while (j < arr.length) {
if (arr[j] > arr[i]) {
var tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp;
}
j++;
}
i++;
}
}
let arr = [4, 8, 2, 11, 9, 7, 3];
bubbleSortDescending(arr);
console.log(arr);
/*
run:
11,9,8,7,4,3,2
*/