Here you can find the source of isoDate()
Date.prototype.isoDate = function() { return this.getFullYear() + "-" + (parseInt(this.getMonth())+1) + "-" + this.getDate(); }
Date.prototype.getISODate = function () { let month = this.getMonth() + 1; if (month < 10) month = '0' + month; let day = this.getDate(); if (day < 10) day = '0' + day; return this.getFullYear() + '-' + month + '-' + day; };
Date.prototype.getISODay = function(){ return (this.getDay() + 6) % 7;
Date.prototype.getISOWeek = 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.getISOYear = function () { var target = new Date(this.valueOf()); target.setDate(target.getDate() - ((this.getDay() + 6) % 7) + 3); return target.getFullYear();
Date.prototype.iso8601 = function () { return this.getUTCFullYear() + '-' + (this.getUTCMonth() + 1).zfill(2) + '-' + this.getUTCDate().zfill(2) + 'T' + this.getUTCHours().zfill(2) + ':' + this.getUTCMinutes().zfill(2) + ':' + this.getUTCSeconds().zfill(2) + '.' + this.getUTCMilliseconds().zfill(3); }; ...
Date.prototype.isoDate = function(){ var d = this; return d.year(); function toJSArray(arr) { var len = [arr count], res = []; while(len--){ res.push(arr[len]); ...
function f(n) { return n < 10 ? '0' + n : n; Date.prototype.rfc3339 = function() { return this.getUTCFullYear() + '-' + f(this.getUTCMonth() + 1) + '-' + f(this.getUTCDate()) + 'T' + f(this.getUTCHours()) + ':' + f(this.getUTCMinutes()) + ':' + ...
function f(n) { return n < 10 ? '0' + n : n; Date.prototype.rfc3339 = function() { return this.getUTCFullYear() + '-' + f(this.getUTCMonth() + 1) + '-' + f(this.getUTCDate()) + 'T' + f(this.getUTCHours()) + ':' + f(this.getUTCMinutes()) + ':' + ...
function f(n) { return n < 10 ? '0' + n : n; Date.prototype.rfc3339 = function() { return this.getUTCFullYear() + '-' + f(this.getUTCMonth() + 1) + '-' + f(this.getUTCDate()) + 'T' + f(this.getUTCHours()) + ':' + f(this.getUTCMinutes()) + ':' + ...