Array.from(Array(10).keys()) //=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
function range(start, end) { return Array(end - start + 1).fill().map((_, idx) => start + idx) } var result = range(9, 18); // [9, 10, 11, 12, 13, 14, 15, 16, 17, 18] console.log(result);