Sort By Months

sortByMonth.js

const MONTHS = [
    'JAN', 'FEB', 'MAR', 'APR', 'MAY', 'JUN',
    'JUL', 'AUG', 'SEP', 'OCT', 'NOV', 'DEC'
];

const events = [{ event: 'dance', month: 'MAR' },
 { event: 'farmers market', month: 'JUN' },
 { event: 'parade', month: 'JAN' }]

function sortByMonth(events) {
    return events.sort((a, b) => MONTHS.indexOf(a.month) - MONTHS.indexOf(b.month))
}