function bubbleSort(arr) {
var numElement = arr.length;
var temp;
for (var outer = numElement; outer >= 2; --outer) {
for (var inner = 0; inner <= outer - 1; ++inner) {
if (arr[inner] > arr[inner + 1]) {
temp = arr[inner + 1];
arr[inner + 1] = arr[inner];
arr[inner] = temp;
}
}
}
return arr
}