<script>
    var arr = [123,34,23,6,1,4,23,324,65,122];
    for (let i =1, j = i ; i < arr.length; j = ++i) {
        var temp = arr[i];
        while(j-- > 0 && arr[j] > temp){
            arr[j + 1] = arr[j];
        }
        arr[j + 1] = temp;
    }
    console.log(arr)
</script>