var months = {
01: "January",
02: "February",
03: "March",
04: "April",
05: "May",
06: "June",
07: "July",
08: "August",
09: "September",
10: "October",
11: "November",
12: "December"
}
[...Array(12)].map((n, i) => new Date(0, i).toLocaleString('en-US', { month: 'long' }))