date.prototype.js (nuget): Adds dayNames, abbrDayNames, monthNames and abbrMonthNames static properties and isLeapYear, isWeekend, isWeekDay, getDaysInMonth, getDayName, getMonthName, getDayOfYear, getWeekOfYear, setDayOfYear, addYears, addMonths, addDays, addHours, addMinutes, addSeconds methods
Keywords: date|js