SOURCE

var divBy2 = function(number,n){
  var stack = new Stack(); //实例化队列
  var yushu = 0;
  var string2 = '';
  var digits = '0123456789ABCDEF';
  while(number > 0){
    yushu = number % n;
    stack.push(yushu);
    number = Math.floor(number / n);
}
  while(!stack.isEmpty()){
    console.log(typeof digits)
    string2+=digits[stack.pop()];
  } 
  return string2;
}

console.log(divBy2(10,2))