记：数值向上取整十，整百，整千，整万

// 向上取整十，整百，整千，整万
ceilNumber(number){
  let bite = 0;
  if(number < 10){
    return 10;
  }
  while( number >= 10 ){
    number /= 10;
    bite += 1;
  }
  return Math.ceil(number) * Math.pow(10,bite);
}