我想用javascript计算一个月内的星期日数 [英] i want calculate number of sundays in a month by using javascript

问题描述

我想通过使用javascript

i want calculate number of sundays in a month by using javascript

推荐答案

function sundays(year, month) {
    var day = 1;
    var counter = 0;
    var date = new Date(year, month, day);
    while(date.getMonth() === month) {
        if(date.getDay() === 6) {
            counter++;
        }
        day++;
        date = new Date(year, month, day);
    }
    return counter;
}

sundays(2012, 5);

https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Date [ ^ ]



来源： http://stackoverflow.com/questions/13106961/get-number-of -sundays-in-a-month-using-javascript [ ^ ]

https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Date[^]

Source : http://stackoverflow.com/questions/13106961/get-number-of-sundays-in-a-month-using-javascript[^]

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