Here you can find the source of getWeek()
Date.prototype.getWeek = function() { var today = new Date(this.setHours(0, 0, 0, 0)); var date = today.getDate() - today.getDay(); var StartDate = new Date(today.setDate(date)); var EndDate = new Date(today.setDate(date + 6)); return [StartDate, EndDate]; }
Date.prototype.getWeek = function() { var date = new Date(this.getTime()); date.setHours(0, 0, 0, 0); date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7); var week1 = new Date(date.getFullYear(), 0, 4); return 1 + Math.round(((date.getTime() - week1.getTime()) / 86400000 - 3 + (week1.getDay() + 6) % 7) / 7); Date.prototype.getWeekYear = function() { var date = new Date(this.getTime()); ...
'use strict'; Date.prototype.getWeek = function() { var onejan = new Date(this.getFullYear(), 0, 1); return Math.ceil((((this - onejan) / 86400000) + onejan.getDay() + 1) / 7); };
Date.prototype.getWeek = function() { var date = new Date(this.getTime()); date.setHours(0, 0, 0, 0); date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7); var week1 = new Date(date.getFullYear(), 0, 4); return 1 + Math.round(((date.getTime() - week1.getTime()) / 86400000 - 3 + (week1.getDay() + 6) % 7) / 7); Date.prototype.getWeekYear = function() { ...
Date.prototype.getWeek = function () { var target = new Date(this.valueOf()); var dayNr = (this.getDay() + 6) % 7; target.setDate(target.getDate() - dayNr + 3); var firstThursday = target.valueOf(); target.setMonth(0, 1); if (target.getDay() != 4) { target.setMonth(0, 1 + ((4 - target.getDay()) + 7) % 7); return 1 + Math.ceil((firstThursday - target) / 604800000);
Date.prototype.getWeek = function () { var determinedate = new Date(); determinedate.setFullYear(this.getFullYear(), this.getMonth(), this.getDate()); var D = determinedate.getDay(); if (D == 0) D = 7; determinedate.setDate(determinedate.getDate() + (4 - D)); var YN = determinedate.getFullYear(); var ZBDoCY = Math.floor((determinedate.getTime() - new Date(YN, 0, 1, -6)) / 86400000); var WN = 1 + Math.floor(ZBDoCY / 7); ...
Date.prototype.getWeek = function () { var onejan = new Date(this.getFullYear(), 0, 1); var time = this.getMilliseconds() + this.getSeconds() * 1000 + this.getMinutes() * 60 * 1000 + this.getHours() * 60 * 60 * 1000; return Math.ceil((((this - onejan - time) / 86400000) + onejan.getDay() + 1) / 7); };
Date.prototype.getWeek = function (dowOffset) { dowOffset = typeof(dowOffset) == 'int' ? dowOffset : 1; var newYear = new Date(this.getFullYear(),0,1); var day = newYear.getDay() - dowOffset; day = (day >= 0 ? day : day + 7); var daynum = Math.floor((this.getTime() - newYear.getTime() - (this.getTimezoneOffset()-newYear.getTimezoneOffset())*60000)/86400000) + 1; var weeknum; if(day < 4) { ...
Date.prototype.getWeek = function (dowOffset) { dowOffset = typeof(dowOffset) == 'int' ? dowOffset : 0; var newYear = new Date(this.getFullYear(),0,1); var day = newYear.getDay() - dowOffset; day = (day >= 0 ? day : day + 7); var daynum = Math.floor((this.getTime() - newYear.getTime() - (this.getTimezoneOffset()-newYear.getTimezoneOffset())*60000)/86400000) + 1; var weeknum; if(day < 4) { ...
Date.prototype.getWeekDayName = function(){ return this.weekDayName()[this.getDay()]; }; Date.prototype.weekDayName = function(){ return ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday']; }; sec = 1000; min = 60*sec; hour = 60*min; ...