function range(low, high) {
  var results = [];

  for (var j = low; j <= high; j++) {
    results.push(j);
  }

  return results;
}
Creates an array of numbers ranging from low to high
@param {number} low
@param {number} high
@returns {Array}
@example range(3, 7); // creates [3, 4, 5, 6, 7]