22-05-16 | Switch로 윤년판별하기

딥다이브 99p [예제 08-09]

var year = 2000;
var month = 2;
var days = 0;

switch (month) {
    case 1: case 3: case 5: case 7: case 8: case 10: case 12:
        days = 31;
        break;
        
    case 4: case 6: case 9: case 11:
        days = 30;
        break;

    case 2:
        days = ((year % 4 === 0 && year % 100 !== 0) || (year % 400 === 0)) ? 29 : 28;
        break;

    default: console.log('Invalid month');
}

console.log(days)