SOURCE

function bubbleSort(arr) {
    for (var i = arr.length - 1; i > 0; i--) {
        for (var j = 0; j < i; j++) {
            if (arr[j] > arr[j + 1]) {
                var temp = arr[j];
                arr[j] = arr[j + 1];
                arr[j + 1] = temp;
            }
        }
    }
    return arr;
}
function bubbleSort2(arr) {
    let i = arr.length - 1
    while (i > 0) {
        let pos = 0
        for (let j = 0; j < i; j++) {
            if (arr[j] > arr[j + 1]) {
                pos = j
                var temp = arr[j];
                arr[j] = arr[j + 1];
                arr[j + 1] = temp;
            }
        }
        i = pos
    }
    return arr
}
var list = [25, 89, 13, 5, 11, 77, 156];
document.write(bubbleSort2(list));