breaking down number into combination of fibonacci number

fibonacci-binary.js

fib = [1,2,3,5,8,13,21,34,55,89,144];

function dec2fib(num) {
  list = [];
  for(var i=fib.length;i<0;i--){
    if(fib[i] < num){
      num -= fib[i];
      list.push(i);
    }
  }
  return list;
}

function randomNumber() {
  return Math.floor(Math.random() * 100);
}

function main() {
  var num = randomNumber();
  var list = dec2fib(num);

  console.log(list);
}

main();