Here you can find the source of getNextDay()
//extend date instance to return next day Date.prototype.getNextDay =function() { day = this.getDay()+1; //add 1 to day to get next day return (day);/*from ww w . j a va 2 s . c o m*/ }; //create date object of particular date var mydate = new Date('2016-01-09'); document.write(mydate.toDateString()+"<br>"); document.write(mydate.getNextDay()); //create date object //create date object var d = new Date(); document.write(d.getNextDay());
'use strict'; Date.prototype.getDaysBetweenDates = function (date2) { var diff = this.getTime() - new Date(date2).getTime(); return Math.round(diff / (1000 * 60 * 60 * 24)); };
Date.prototype.getDaysTillNow = function (since) { var past = new Date(since.getFullYear(), since.getMonth(), since.getDate()); var today = new Date(this.getFullYear(), this.getMonth(), this.getDate()); return (today - past) / (24 * 3600000); };
Date.prototype.getDaysUntil = function(futureDay) { var future = new Date(futureDay.getFullYear(), futureDay.getMonth(), futureDay.getDate()); var today = new Date(this.getFullYear(), this.getMonth(), this.getDate()); return (future - today) / (24 * 3600000); };
Date.prototype.getFistDay = function () { var here = new Date(this.getFullYear(), this.getMonth(), 1); return here.getDay(); };
Date.prototype.getLocalTotalPassedDays = function() { return Math.floor((+this - this.getTimezoneOffset() * 60 * 1000) / 864e5); };
Date.prototype.getNumOfDays = function() "use strict"; var date = new Date(this.getFullYear(), this.getMonth() + 1, 0); return date.getDate(); };
Date.prototype.getStartOfDay = function() var date = new Date(this); date.setHours(0); date.setMinutes(0); date.setSeconds(0); return date;
'use strict'; Date.prototype.getThisDay = function() var date = new Date(); return [date.setHours(0,0,0,0), date.setHours(23,59,59,999)];
Date.prototype.getToday = function () { return this.getFullYear()+'-'+this.getMonth()+'-'+this.getDate();