code: function (nb, base) {
  		var pow = 0;
  		if (nb < 0)
  			nb = -nb;
  		base = base || 10;
  		while (nb >= base) {
  			nb = nb / base;
  			++pow;
  		}
  		return pow;
  	}
docs: /*
  @desc: Should return the power
  @return: true || false
  @params: number, base || 10