spark like steps for a given array

steps.js

var list = [1,45,23,45,65,6,2];

var steps = 6;

var packed_list = [];
var min=0, max=0;

for(l in list){
    if(min > list[l])
        min = list[l];
    if(max < list[l])
        max = list[l];
}

for(l in list){
    packed_list.push(Math.ceil((list[l]/max)*steps));
}

console.log(packed_list);