text: module.exports = function reverse (n) // 123
  {
  	var current;
  	var output = 0
  	if (n < 0)
  	{
  		n = n * (-1);
  	}
  	while (n)
  	{
  		current = n % 10; // 123 % 10 = 3, 12 % 10 = 2, 1 % 10 = 1
          output = (output * 10) + current; // 3, 30 + 2 = 32, 320 + 1 = 321
          n = n / 10 | 0; // 123 / 10 = 12, 12 / 10 = 1, 1 / 10 = 0
      }
  	return output // 321
  }
  