buble sort in js

1bubbleSort(Array) {
2    let len = Array.length;
3    for (let i = 0; i < len; i++) { //you can also use "for in", so you don't need the variable "len"
4        for (let j = 0; j < len; j++) {
5            if (Array[j] > Array[j + 1]) {
6                let tmp = Array[j];
7                Array[j] = Array[j + 1];
8                Array[j + 1] = tmp;
9            }
10        }
11    }
12    return Array;
13};