Here you can find the source of toUnixTime()
Date.prototype.toUnixTime = function() { return Math.round(this.getTime() / 1000); };
Date.prototype.toText=function(){ var m; var d; if(this.getMonth()<9){ m="0"+(this.getMonth()+1); }else{ m=this.getMonth()+1; if(this.getDate()<10){ ...
Date.prototype.toTime = function () { var hours = this.getHours(); var minutes = this.getMinutes(); if (minutes < 10) minutes = "0" + minutes; if (hours < 10) hours = "0" + hours; return hours + ':' + minutes; }; ...
Date.prototype.toTimeInputValue = (function() { var local = new Date(this); local.setMinutes(this.getMinutes() - this.getTimezoneOffset()); return local.toJSON().slice(11,19); });
Date.prototype.toTurkishFormatDate = function(format) { var date = this, day = date.getDate(), weekDay = date.getDay(), month = date.getMonth() + 1, year = date.getFullYear(), hours = date.getHours(), minutes = date.getMinutes(), seconds = date.getSeconds(); ...
Date.prototype.toUniversalDate = function() { var localTime = this.getTime(); var localOffset = this.getTimezoneOffset() * 60000; return new Date(localTime + localOffset); };
Date.prototype.toYYYYMMDD = function() { return this.getFullYear() + String(this.getMonth()+1).lpad(2, "0") + String(this.getDate()).lpad(2, "0");
Date.prototype.toYmdHis = function() { return this.getFullYear() + "-" + twoDigits(1 + this.getMonth()) + "-" + twoDigits(this.getDate()) + " " + twoDigits(this.getHours()) + ":" + twoDigits(this.getMinutes()) + ":" + twoDigits(this.getSeconds()); };
Date.prototype.to_DMY = function(){ return Util.leadingzero(this.getDate()) + '/' + Util.leadingzero(this.getMonth() + 1) + '/' + this.getFullYear() };
Date.prototype.to_datetimepicker_format = function() { var Y = this.getUTCFullYear(); var M = this.getUTCMonth() + 1; var D = this.getUTCDate(); var h = this.getUTCHours(); var m = this.getUTCMinutes(); return Y + "-" + M.pad() + "-" + D.pad() + " " + h.pad() + ":" + m.pad();