We used theDate.prototype.getDay()method to get the day of the week. This method returns a numeric value that is between 0 and 6. The number 0 will always be a Sunday and the number 6 will always be a Saturday. Finally, we returned the array element that corresponds to that numeric ...
As you can see, we got back the number 5 when the current month was June. Get the Current Day You can get the current day of the week for a particular instance of theDateobject by simply calling thegetDay()method. This method will return an integer between 0 and 6, where 0 r...
var curr = new Date; // get current datevar first = curr.getDate() - curr.getDay(); //...
Check if a Date is during the Weekend using JavaScript I wrotea bookin which I share everything I know about how to become a better, more efficient programmer. You can use the search field on myHome Pageto filter through all of my articles. ...
// Here nothing has been assigned according to universal// time while creating Date objectvardateobj =newDate();// day of the week from above date object is// being extracted using date.getUTCDay().varB = dateobj.getUTCDay();// Printing current day of the week// according to univers...
问题是您向.day()传递了一个错误的参数，传递了一个从0到6的数字（或者是当天的全名，但我不确定...
currentdate=newDate();varoneJan=newDate(currentdate.getFullYear(),0,1);varnumberOfDays=Math.floor((currentdate-oneJan)/(24*60*60*1000));varresult=Math.ceil(( currentdate.getDay()+1+numberOfDays)/7);console.log(`The week number of the current date (${currentdate}) is${result}.`...
** truthy for Monday as first day of week ** @returns {Date} - date for first day of week */functiongetStartOfWeek(date,mondayStart){// copy datevard=newDate(+date);// days to previous Sundayvarshift=d.getDay();// Adjust shift if week starts on Mondayif(mondayStart){shift=shift...
在这个网站上是库的文档，它有很多日期操作的函数。我认为这个来自date-fns库的函数eachWeekOfInterval...
const date = time.getDate(); console.log(date); // 30 // get day of the week const year = time.getFullYear(); console.log(year); // 2020 const utcDate = time.getUTCDate(); console.log(utcDate); // 30 const event = new Date('Feb 19, 2020 23:15:30'); ...