JAVASCRIPT

using recursion to generate range of numbers

function rangeOfNumbers(startNum, endNum) {
  if (endNum < startNum) {
    return [];
  } else {
    const numbers = rangeOfNumbers(startNum, endNum - 1);
    numbers.push(endNum);
    return numbers;
  }
}

Use Recursion to Create a Range of Numbers

Use Recursion to Create a Range of Numbers
function rangeOfNumbers(startNum, endNum) {
  return startNum <= endNum ? [startNum].concat(rangeOfNumbers(startNum + 1, endNum)) : [];
};