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JavaScript:獲取給定日期(月/年)的日期名稱數組

[英]JavaScript: get array of day names of given date (month/year)

如何在給定月份/年份的日期名稱中獲取整個月份? 像:

var year = "2000";
var month = "7"

... some code here that makes an array with names of days of the given month...

輸出看起來像:

Array ("1. Sunday", "2. Monday", "3. Tuesday", ... "29. Thursday", "30. Friday", "31. Saturday");

最好的問候,克里斯

這應該按照您的要求進行。

function getDaysArray(year, month) {
    var numDaysInMonth, daysInWeek, daysIndex, index, i, l, daysArray;

    numDaysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    daysInWeek = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
    daysIndex = { 'Sun': 0, 'Mon': 1, 'Tue': 2, 'Wed': 3, 'Thu': 4, 'Fri': 5, 'Sat': 6 };
    index = daysIndex[(new Date(year, month - 1, 1)).toString().split(' ')[0]];
    daysArray = [];

    for (i = 0, l = numDaysInMonth[month - 1]; i < l; i++) {
        daysArray.push((i + 1) + '. ' + daysInWeek[index++]);
        if (index == 7) index = 0;
    }

    return daysArray;
}

試試這個

<!DOCTYPE html>
<html>
<body>

<p id="demo">Click the button to display todays day of the week.</p>

<button onclick="myFunction()">Try it</button>

<script type="text/javascript">
function daysInMonth(month,year) {
    return new Date(year, month, 0).getDate();
}

function myFunction()
{var b=[],weekday = ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'],month=7,year=2000;
for(var i=1,l=daysInMonth(month,year);i<l;i++){
var d = new Date(year,month-1,i);
b.push(i+"."+weekday[d.getDay()]);
}
console.log(b);}//b is the desired array
</script>

</body>
</html>

DateJS具有實現邏輯所需的功能:

正如 @natlee75 指出的那樣,您可以從那里處理邏輯。

您可以使用標准的 JavaScript Date 對象非常輕松地自己完成邏輯。 這是一個將一個日期推入數組的示例。 只需循環調用該方法的整個月。 jsFiddle

var daysOfTheWeek = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];

function getDisplay(month, day, year) {
    var d = new Date(year, month-1, day);
    return day + '. ' + daysOfTheWeek[d.getDay()];
}

array_push($dates, getDisplay(7, 4, 2012));

試試這個並在控制台中查看結果。

<script>
var weekday = ['Sunday', 'Monday', 'Tuesday', 'Wednesday',
               'Thursday', 'Friday', 'Saturday'];
var month = '7';
var year = '2012';
realMonth = parseInt(month,10)-1;
var monthObj = {};
for(var i=1;i<30;i++)
{
    var d = new Date(year,realMonth,i);              
    monthObj[i] = weekday[d.getDay()];
}
console.log(monthObj);
</script>

我知道這是一個老問題,但今天有一個與此相關的問題,我想指出除了將day (0-6)轉換為string (Sunday-Saturday)之外不需要做太多事情

 function getDays(year, month) { //month: 1-based, as normal person --month //change it to 0-based, as Date object let dayname = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'] let date = new Date(year, month) let result = [] while(date.getMonth()==month){ result.push(`${date.getDate()}. ${dayname[date.getDay()]}`) date.setDate(date.getDate()+1) } return result; } console.log(getDays(2019,12))

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