/** * @version: 1.0 Alpha-1 * @author: Coolite Inc. http://www.coolite.com/ * @date: 2008-04-13 * @copyright: Copyright (c) 2006-2008, Coolite Inc. (http://www.coolite.com/). All rights reserved. * @license: Licensed under The MIT License. See license.txt and http://www.datejs.com/license/. * @website: http://www.datejs.com/ */ (function () { Date.Parsing = { Exception: function (s) { this.message = "Parse error at '" + s.substring(0, 10) + " ...'"; } }; var $P = Date.Parsing; var _ = $P.Operators = { // // Tokenizers // rtoken: function (r) { // regex token return function (s) { var mx = s.match(r); if (mx) { return ([ mx[0], s.substring(mx[0].length) ]); } else { throw new $P.Exception(s); } }; }, token: function (s) { // whitespace-eating token return function (s) { return _.rtoken(new RegExp("^\s*" + s + "\s*"))(s); // Removed .strip() // return _.rtoken(new RegExp("^\s*" + s + "\s*"))(s).strip(); }; }, stoken: function (s) { // string token return _.rtoken(new RegExp("^" + s)); }, // // Atomic Operators // until: function (p) { return function (s) { var qx = [], rx = null; while (s.length) { try { rx = p.call(this, s); } catch (e) { qx.push(rx[0]); s = rx[1]; continue; } break; } return [ qx, s ]; }; }, many: function (p) { return function (s) { var rx = [], r = null; while (s.length) { try { r = p.call(this, s); } catch (e) { return [ rx, s ]; } rx.push(r[0]); s = r[1]; } return [ rx, s ]; }; }, // generator operators -- see below optional: function (p) { return function (s) { var r = null; try { r = p.call(this, s); } catch (e) { return [ null, s ]; } return [ r[0], r[1] ]; }; }, not: function (p) { return function (s) { try { p.call(this, s); } catch (e) { return [null, s]; } throw new $P.Exception(s); }; }, ignore: function (p) { return p ? function (s) { var r = null; r = p.call(this, s); return [null, r[1]]; } : null; }, product: function () { var px = arguments[0], qx = Array.prototype.slice.call(arguments, 1), rx = []; for (var i = 0 ; i < px.length ; i++) { rx.push(_.each(px[i], qx)); } return rx; }, cache: function (rule) { var cache = {}, r = null; return function (s) { try { r = cache[s] = (cache[s] || rule.call(this, s)); } catch (e) { r = cache[s] = e; } if (r instanceof $P.Exception) { throw r; } else { return r; } }; }, // vector operators -- see below any: function () { var px = arguments; return function (s) { var r = null; for (var i = 0; i < px.length; i++) { if (px[i] == null) { continue; } try { r = (px[i].call(this, s)); } catch (e) { r = null; } if (r) { return r; } } throw new $P.Exception(s); }; }, each: function () { var px = arguments; return function (s) { var rx = [], r = null; for (var i = 0; i < px.length ; i++) { if (px[i] == null) { continue; } try { r = (px[i].call(this, s)); } catch (e) { throw new $P.Exception(s); } rx.push(r[0]); s = r[1]; } return [ rx, s]; }; }, all: function () { var px = arguments, _ = _; return _.each(_.optional(px)); }, // delimited operators sequence: function (px, d, c) { d = d || _.rtoken(/^\s*/); c = c || null; if (px.length == 1) { return px[0]; } return function (s) { var r = null, q = null; var rx = []; for (var i = 0; i < px.length ; i++) { try { r = px[i].call(this, s); } catch (e) { break; } rx.push(r[0]); try { q = d.call(this, r[1]); } catch (ex) { q = null; break; } s = q[1]; } if (!r) { throw new $P.Exception(s); } if (q) { throw new $P.Exception(q[1]); } if (c) { try { r = c.call(this, r[1]); } catch (ey) { throw new $P.Exception(r[1]); } } return [ rx, (r?r[1]:s) ]; }; }, // // Composite Operators // between: function (d1, p, d2) { d2 = d2 || d1; var _fn = _.each(_.ignore(d1), p, _.ignore(d2)); return function (s) { var rx = _fn.call(this, s); return [[rx[0][0], r[0][2]], rx[1]]; }; }, list: function (p, d, c) { d = d || _.rtoken(/^\s*/); c = c || null; return (p instanceof Array ? _.each(_.product(p.slice(0, -1), _.ignore(d)), p.slice(-1), _.ignore(c)) : _.each(_.many(_.each(p, _.ignore(d))), px, _.ignore(c))); }, set: function (px, d, c) { d = d || _.rtoken(/^\s*/); c = c || null; return function (s) { // r is the current match, best the current 'best' match // which means it parsed the most amount of input var r = null, p = null, q = null, rx = null, best = [[], s], last = false; // go through the rules in the given set for (var i = 0; i < px.length ; i++) { // last is a flag indicating whether this must be the last element // if there is only 1 element, then it MUST be the last one q = null; p = null; r = null; last = (px.length == 1); // first, we try simply to match the current pattern // if not, try the next pattern try { r = px[i].call(this, s); } catch (e) { continue; } // since we are matching against a set of elements, the first // thing to do is to add r[0] to matched elements rx = [[r[0]], r[1]]; // if we matched and there is still input to parse and // we don't already know this is the last element, // we're going to next check for the delimiter ... // if there's none, or if there's no input left to parse // than this must be the last element after all ... if (r[1].length > 0 && ! last) { try { q = d.call(this, r[1]); } catch (ex) { last = true; } } else { last = true; } // if we parsed the delimiter and now there's no more input, // that means we shouldn't have parsed the delimiter at all // so don't update r and mark this as the last element ... if (!last && q[1].length === 0) { last = true; } // so, if this isn't the last element, we're going to see if // we can get any more matches from the remaining (unmatched) // elements ... if (!last) { // build a list of the remaining rules we can match against, // i.e., all but the one we just matched against var qx = []; for (var j = 0; j < px.length ; j++) { if (i != j) { qx.push(px[j]); } } // now invoke recursively set with the remaining input // note that we don't include the closing delimiter ... // we'll check for that ourselves at the end p = _.set(qx, d).call(this, q[1]); // if we got a non-empty set as a result ... // (otw rx already contains everything we want to match) if (p[0].length > 0) { // update current result, which is stored in rx ... // basically, pick up the remaining text from p[1] // and concat the result from p[0] so that we don't // get endless nesting ... rx[0] = rx[0].concat(p[0]); rx[1] = p[1]; } } // at this point, rx either contains the last matched element // or the entire matched set that starts with this element. // now we just check to see if this variation is better than // our best so far, in terms of how much of the input is parsed if (rx[1].length < best[1].length) { best = rx; } // if we've parsed all the input, then we're finished if (best[1].length === 0) { break; } } // so now we've either gone through all the patterns trying them // as the initial match; or we found one that parsed the entire // input string ... // if best has no matches, just return empty set ... if (best[0].length === 0) { return best; } // if a closing delimiter is provided, then we have to check it also if (c) { // we try this even if there is no remaining input because the pattern // may well be optional or match empty input ... try { q = c.call(this, best[1]); } catch (ey) { throw new $P.Exception(best[1]); } // it parsed ... be sure to update the best match remaining input best[1] = q[1]; } // if we're here, either there was no closing delimiter or we parsed it // so now we have the best match; just return it! return best; }; }, forward: function (gr, fname) { return function (s) { return gr[fname].call(this, s); }; }, // // Translation Operators // replace: function (rule, repl) { return function (s) { var r = rule.call(this, s); return [repl, r[1]]; }; }, process: function (rule, fn) { return function (s) { var r = rule.call(this, s); return [fn.call(this, r[0]), r[1]]; }; }, min: function (min, rule) { return function (s) { var rx = rule.call(this, s); if (rx[0].length < min) { throw new $P.Exception(s); } return rx; }; } }; // Generator Operators And Vector Operators // Generators are operators that have a signature of F(R) => R, // taking a given rule and returning another rule, such as // ignore, which parses a given rule and throws away the result. // Vector operators are those that have a signature of F(R1,R2,...) => R, // take a list of rules and returning a new rule, such as each. // Generator operators are converted (via the following _generator // function) into functions that can also take a list or array of rules // and return an array of new rules as though the function had been // called on each rule in turn (which is what actually happens). // This allows generators to be used with vector operators more easily. // Example: // each(ignore(foo, bar)) instead of each(ignore(foo), ignore(bar)) // This also turns generators into vector operators, which allows // constructs like: // not(cache(foo, bar)) var _generator = function (op) { return function () { var args = null, rx = []; if (arguments.length > 1) { args = Array.prototype.slice.call(arguments); } else if (arguments[0] instanceof Array) { args = arguments[0]; } if (args) { for (var i = 0, px = args.shift() ; i < px.length ; i++) { args.unshift(px[i]); rx.push(op.apply(null, args)); args.shift(); return rx; } } else { return op.apply(null, arguments); } }; }; var gx = "optional not ignore cache".split(/\s/); for (var i = 0 ; i < gx.length ; i++) { _[gx[i]] = _generator(_[gx[i]]); } var _vector = function (op) { return function () { if (arguments[0] instanceof Array) { return op.apply(null, arguments[0]); } else { return op.apply(null, arguments); } }; }; var vx = "each any all".split(/\s/); for (var j = 0 ; j < vx.length ; j++) { _[vx[j]] = _vector(_[vx[j]]); } }()); (function () { var $D = Date, $P = $D.prototype, $C = $D.CultureInfo; var flattenAndCompact = function (ax) { var rx = []; for (var i = 0; i < ax.length; i++) { if (ax[i] instanceof Array) { rx = rx.concat(flattenAndCompact(ax[i])); } else { if (ax[i]) { rx.push(ax[i]); } } } return rx; }; $D.Grammar = {}; $D.Translator = { hour: function (s) { return function () { this.hour = Number(s); }; }, minute: function (s) { return function () { this.minute = Number(s); }; }, second: function (s) { return function () { this.second = Number(s); }; }, meridian: function (s) { return function () { this.meridian = s.slice(0, 1).toLowerCase(); }; }, timezone: function (s) { return function () { var n = s.replace(/[^\d\+\-]/g, ""); if (n.length) { this.timezoneOffset = Number(n); } else { this.timezone = s.toLowerCase(); } }; }, day: function (x) { var s = x[0]; return function () { this.day = Number(s.match(/\d+/)[0]); }; }, month: function (s) { return function () { this.month = (s.length == 3) ? "jan feb mar apr may jun jul aug sep oct nov dec".indexOf(s)/4 : Number(s) - 1; }; }, year: function (s) { return function () { var n = Number(s); this.year = ((s.length > 2) ? n : (n + (((n + 2000) < $C.twoDigitYearMax) ? 2000 : 1900))); }; }, rday: function (s) { return function () { switch (s) { case "yesterday": this.days = -1; break; case "tomorrow": this.days = 1; break; case "today": this.days = 0; break; case "now": this.days = 0; this.now = true; break; } }; }, finishExact: function (x) { x = (x instanceof Array) ? x : [ x ]; for (var i = 0 ; i < x.length ; i++) { if (x[i]) { x[i].call(this); } } var now = new Date(); if ((this.hour || this.minute) && (!this.month && !this.year && !this.day)) { this.day = now.getDate(); } if (!this.year) { this.year = now.getFullYear(); } if (!this.month && this.month !== 0) { this.month = now.getMonth(); } if (!this.day) { this.day = 1; } if (!this.hour) { this.hour = 0; } if (!this.minute) { this.minute = 0; } if (!this.second) { this.second = 0; } if (this.meridian && this.hour) { if (this.meridian == "p" && this.hour < 12) { this.hour = this.hour + 12; } else if (this.meridian == "a" && this.hour == 12) { this.hour = 0; } } if (this.day > $D.getDaysInMonth(this.year, this.month)) { throw new RangeError(this.day + " is not a valid value for days."); } var r = new Date(this.year, this.month, this.day, this.hour, this.minute, this.second); if (this.timezone) { r.set({ timezone: this.timezone }); } else if (this.timezoneOffset) { r.set({ timezoneOffset: this.timezoneOffset }); } return r; }, finish: function (x) { x = (x instanceof Array) ? flattenAndCompact(x) : [ x ]; if (x.length === 0) { return null; } for (var i = 0 ; i < x.length ; i++) { if (typeof x[i] == "function") { x[i].call(this); } } var today = $D.today(); if (this.now && !this.unit && !this.operator) { return new Date(); } else if (this.now) { today = new Date(); } var expression = !!(this.days && this.days !== null || this.orient || this.operator); var gap, mod, orient; orient = ((this.orient == "past" || this.operator == "subtract") ? -1 : 1); if(!this.now && "hour minute second".indexOf(this.unit) != -1) { today.setTimeToNow(); } if (this.month || this.month === 0) { if ("year day hour minute second".indexOf(this.unit) != -1) { this.value = this.month + 1; this.month = null; expression = true; } } if (!expression && this.weekday && !this.day && !this.days) { var temp = Date[this.weekday](); this.day = temp.getDate(); if (!this.month) { this.month = temp.getMonth(); } this.year = temp.getFullYear(); } if (expression && this.weekday && this.unit != "month") { this.unit = "day"; gap = ($D.getDayNumberFromName(this.weekday) - today.getDay()); mod = 7; this.days = gap ? ((gap + (orient * mod)) % mod) : (orient * mod); } if (this.month && this.unit == "day" && this.operator) { this.value = (this.month + 1); this.month = null; } if (this.value != null && this.month != null && this.year != null) { this.day = this.value * 1; } if (this.month && !this.day && this.value) { today.set({ day: this.value * 1 }); if (!expression) { this.day = this.value * 1; } } if (!this.month && this.value && this.unit == "month" && !this.now) { this.month = this.value; expression = true; } if (expression && (this.month || this.month === 0) && this.unit != "year") { this.unit = "month"; gap = (this.month - today.getMonth()); mod = 12; this.months = gap ? ((gap + (orient * mod)) % mod) : (orient * mod); this.month = null; } if (!this.unit) { this.unit = "day"; } if (!this.value && this.operator && this.operator !== null && this[this.unit + "s"] && this[this.unit + "s"] !== null) { this[this.unit + "s"] = this[this.unit + "s"] + ((this.operator == "add") ? 1 : -1) + (this.value||0) * orient; } else if (this[this.unit + "s"] == null || this.operator != null) { if (!this.value) { this.value = 1; } this[this.unit + "s"] = this.value * orient; } if (this.meridian && this.hour) { if (this.meridian == "p" && this.hour < 12) { this.hour = this.hour + 12; } else if (this.meridian == "a" && this.hour == 12) { this.hour = 0; } } if (this.weekday && !this.day && !this.days) { var temp = Date[this.weekday](); this.day = temp.getDate(); if (temp.getMonth() !== today.getMonth()) { this.month = temp.getMonth(); } } if ((this.month || this.month === 0) && !this.day) { this.day = 1; } if (!this.orient && !this.operator && this.unit == "week" && this.value && !this.day && !this.month) { return Date.today().setWeek(this.value); } if (expression && this.timezone && this.day && this.days) { this.day = this.days; } return (expression) ? today.add(this) : today.set(this); } }; var _ = $D.Parsing.Operators, g = $D.Grammar, t = $D.Translator, _fn; g.datePartDelimiter = _.rtoken(/^([\s\-\.\,\/\x27]+)/); g.timePartDelimiter = _.stoken(":"); g.whiteSpace = _.rtoken(/^\s*/); g.generalDelimiter = _.rtoken(/^(([\s\,]|at|@|on)+)/); var _C = {}; g.ctoken = function (keys) { var fn = _C[keys]; if (! fn) { var c = $C.regexPatterns; var kx = keys.split(/\s+/), px = []; for (var i = 0; i < kx.length ; i++) { px.push(_.replace(_.rtoken(c[kx[i]]), kx[i])); } fn = _C[keys] = _.any.apply(null, px); } return fn; }; g.ctoken2 = function (key) { return _.rtoken($C.regexPatterns[key]); }; // hour, minute, second, meridian, timezone g.h = _.cache(_.process(_.rtoken(/^(0[0-9]|1[0-2]|[1-9])/), t.hour)); g.hh = _.cache(_.process(_.rtoken(/^(0[0-9]|1[0-2])/), t.hour)); g.H = _.cache(_.process(_.rtoken(/^([0-1][0-9]|2[0-3]|[0-9])/), t.hour)); g.HH = _.cache(_.process(_.rtoken(/^([0-1][0-9]|2[0-3])/), t.hour)); g.m = _.cache(_.process(_.rtoken(/^([0-5][0-9]|[0-9])/), t.minute)); g.mm = _.cache(_.process(_.rtoken(/^[0-5][0-9]/), t.minute)); g.s = _.cache(_.process(_.rtoken(/^([0-5][0-9]|[0-9])/), t.second)); g.ss = _.cache(_.process(_.rtoken(/^[0-5][0-9]/), t.second)); g.hms = _.cache(_.sequence([g.H, g.m, g.s], g.timePartDelimiter)); // _.min(1, _.set([ g.H, g.m, g.s ], g._t)); g.t = _.cache(_.process(g.ctoken2("shortMeridian"), t.meridian)); g.tt = _.cache(_.process(g.ctoken2("longMeridian"), t.meridian)); g.z = _.cache(_.process(_.rtoken(/^((\+|\-)\s*\d\d\d\d)|((\+|\-)\d\d\:?\d\d)/), t.timezone)); g.zz = _.cache(_.process(_.rtoken(/^((\+|\-)\s*\d\d\d\d)|((\+|\-)\d\d\:?\d\d)/), t.timezone)); g.zzz = _.cache(_.process(g.ctoken2("timezone"), t.timezone)); g.timeSuffix = _.each(_.ignore(g.whiteSpace), _.set([ g.tt, g.zzz ])); g.time = _.each(_.optional(_.ignore(_.stoken("T"))), g.hms, g.timeSuffix); // days, months, years g.d = _.cache(_.process(_.each(_.rtoken(/^([0-2]\d|3[0-1]|\d)/), _.optional(g.ctoken2("ordinalSuffix"))), t.day)); g.dd = _.cache(_.process(_.each(_.rtoken(/^([0-2]\d|3[0-1])/), _.optional(g.ctoken2("ordinalSuffix"))), t.day)); g.ddd = g.dddd = _.cache(_.process(g.ctoken("sun mon tue wed thu fri sat"), function (s) { return function () { this.weekday = s; }; } )); g.M = _.cache(_.process(_.rtoken(/^(1[0-2]|0\d|\d)/), t.month)); g.MM = _.cache(_.process(_.rtoken(/^(1[0-2]|0\d)/), t.month)); g.MMM = g.MMMM = _.cache(_.process( g.ctoken("jan feb mar apr may jun jul aug sep oct nov dec"), t.month)); g.y = _.cache(_.process(_.rtoken(/^(\d\d?)/), t.year)); g.yy = _.cache(_.process(_.rtoken(/^(\d\d)/), t.year)); g.yyy = _.cache(_.process(_.rtoken(/^(\d\d?\d?\d?)/), t.year)); g.yyyy = _.cache(_.process(_.rtoken(/^(\d\d\d\d)/), t.year)); // rolling these up into general purpose rules _fn = function () { return _.each(_.any.apply(null, arguments), _.not(g.ctoken2("timeContext"))); }; g.day = _fn(g.d, g.dd); g.month = _fn(g.M, g.MMM); g.year = _fn(g.yyyy, g.yy); // relative date / time expressions g.orientation = _.process(g.ctoken("past future"), function (s) { return function () { this.orient = s; }; } ); g.operator = _.process(g.ctoken("add subtract"), function (s) { return function () { this.operator = s; }; } ); g.rday = _.process(g.ctoken("yesterday tomorrow today now"), t.rday); g.unit = _.process(g.ctoken("second minute hour day week month year"), function (s) { return function () { this.unit = s; }; } ); g.value = _.process(_.rtoken(/^\d\d?(st|nd|rd|th)?/), function (s) { return function () { this.value = s.replace(/\D/g, ""); }; } ); g.expression = _.set([ g.rday, g.operator, g.value, g.unit, g.orientation, g.ddd, g.MMM ]); // pre-loaded rules for different date part order preferences _fn = function () { return _.set(arguments, g.datePartDelimiter); }; g.mdy = _fn(g.ddd, g.month, g.day, g.year); g.ymd = _fn(g.ddd, g.year, g.month, g.day); g.dmy = _fn(g.ddd, g.day, g.month, g.year); g.date = function (s) { return ((g[$C.dateElementOrder] || g.mdy).call(this, s)); }; // parsing date format specifiers - ex: "h:m:s tt" // this little guy will generate a custom parser based // on the format string, ex: g.format("h:m:s tt") g.format = _.process(_.many( _.any( // translate format specifiers into grammar rules _.process( _.rtoken(/^(dd?d?d?|MM?M?M?|yy?y?y?|hh?|HH?|mm?|ss?|tt?|zz?z?)/), function (fmt) { if (g[fmt]) { return g[fmt]; } else { throw $D.Parsing.Exception(fmt); } } ), // translate separator tokens into token rules _.process( _.rtoken(/^[^dMyhHmstz]+/), // all legal separators function (s) { return _.ignore(_.stoken(s)); } ) )), // construct the parser ... function (rules) { return _.process(_.each.apply(null, rules), t.finishExact); } ); var _F = { //"M/d/yyyy": function (s) { // var m = s.match(/^([0-2]\d|3[0-1]|\d)\/(1[0-2]|0\d|\d)\/(\d\d\d\d)/); // if (m!=null) { // var r = [ t.month.call(this,m[1]), t.day.call(this,m[2]), t.year.call(this,m[3]) ]; // r = t.finishExact.call(this,r); // return [ r, "" ]; // } else { // throw new Date.Parsing.Exception(s); // } //} //"M/d/yyyy": function (s) { return [ new Date(Date._parse(s)), ""]; } }; var _get = function (f) { return _F[f] = (_F[f] || g.format(f)[0]); }; g.formats = function (fx) { if (fx instanceof Array) { var rx = []; for (var i = 0 ; i < fx.length ; i++) { rx.push(_get(fx[i])); } return _.any.apply(null, rx); } else { return _get(fx); } }; // check for these formats first g._formats = g.formats([ "\"yyyy-MM-ddTHH:mm:ssZ\"", "yyyy-MM-ddTHH:mm:ssZ", "yyyy-MM-ddTHH:mm:ssz", "yyyy-MM-ddTHH:mm:ss", "yyyy-MM-ddTHH:mmZ", "yyyy-MM-ddTHH:mmz", "yyyy-MM-ddTHH:mm", "ddd, MMM dd, yyyy H:mm:ss tt", "ddd MMM d yyyy HH:mm:ss zzz", "MMddyyyy", "ddMMyyyy", "Mddyyyy", "ddMyyyy", "Mdyyyy", "dMyyyy", "yyyy", "Mdyy", "dMyy", "d" ]); // starting rule for general purpose grammar g._start = _.process(_.set([ g.date, g.time, g.expression ], g.generalDelimiter, g.whiteSpace), t.finish); // real starting rule: tries selected formats first, // then general purpose rule g.start = function (s) { try { var r = g._formats.call({}, s); if (r[1].length === 0) { return r; } } catch (e) {} return g._start.call({}, s); }; $D._parse = $D.parse; /** * Converts the specified string value into its JavaScript Date equivalent using CultureInfo specific format information. * * Example

    ///////////
    // Dates //
    ///////////

    // 15-Oct-2004
    var d1 = Date.parse("10/15/2004");

    // 15-Oct-2004
    var d1 = Date.parse("15-Oct-2004");

    // 15-Oct-2004
    var d1 = Date.parse("2004.10.15");

    //Fri Oct 15, 2004
    var d1 = Date.parse("Fri Oct 15, 2004");

    ///////////
    // Times //
    ///////////

    // Today at 10 PM.
    var d1 = Date.parse("10 PM");

    // Today at 10:30 PM.
    var d1 = Date.parse("10:30 P.M.");

    // Today at 6 AM.
    var d1 = Date.parse("06am");

    /////////////////////
    // Dates and Times //
    /////////////////////

    // 8-July-2004 @ 10:30 PM
    var d1 = Date.parse("July 8th, 2004, 10:30 PM");

    // 1-July-2004 @ 10:30 PM
    var d1 = Date.parse("2004-07-01T22:30:00");

    ////////////////////
    // Relative Dates //
    ////////////////////

    // Returns today's date. The string "today" is culture specific.
    var d1 = Date.parse("today");

    // Returns yesterday's date. The string "yesterday" is culture specific.
    var d1 = Date.parse("yesterday");

    // Returns the date of the next thursday.
    var d1 = Date.parse("Next thursday");

    // Returns the date of the most previous monday.
    var d1 = Date.parse("last monday");

    // Returns today's day + one year.
    var d1 = Date.parse("next year");

    ///////////////
    // Date Math //
    ///////////////

    // Today + 2 days
    var d1 = Date.parse("t+2");

    // Today + 2 days
    var d1 = Date.parse("today + 2 days");

    // Today + 3 months
    var d1 = Date.parse("t+3m");

    // Today - 1 year
    var d1 = Date.parse("today - 1 year");

    // Today - 1 year
    var d1 = Date.parse("t-1y"); 


    /////////////////////////////
    // Partial Dates and Times //
    /////////////////////////////

    // July 15th of this year.
    var d1 = Date.parse("July 15");

    // 15th day of current day and year.
    var d1 = Date.parse("15");

    // July 1st of current year at 10pm.
    var d1 = Date.parse("7/1 10pm");
    
* * @param {String} The string value to convert into a Date object [Required] * @return {Date} A Date object or null if the string cannot be converted into a Date. */ $D.parse = function (s) { var r = null; if (!s) { return null; } if (s instanceof Date) { return s; } try { r = $D.Grammar.start.call({}, s.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1")); } catch (e) { return null; } return ((r[1].length === 0) ? r[0] : null); }; $D.getParseFunction = function (fx) { var fn = $D.Grammar.formats(fx); return function (s) { var r = null; try { r = fn.call({}, s); } catch (e) { return null; } return ((r[1].length === 0) ? r[0] : null); }; }; /** * Converts the specified string value into its JavaScript Date equivalent using the specified format {String} or formats {Array} and the CultureInfo specific format information. * The format of the string value must match one of the supplied formats exactly. * * Example

    // 15-Oct-2004
    var d1 = Date.parseExact("10/15/2004", "M/d/yyyy");

    // 15-Oct-2004
    var d1 = Date.parse("15-Oct-2004", "M-ddd-yyyy");

    // 15-Oct-2004
    var d1 = Date.parse("2004.10.15", "yyyy.MM.dd");

    // Multiple formats
    var d1 = Date.parseExact("10/15/2004", ["M/d/yyyy", "MMMM d, yyyy"]);
    
* * @param {String} The string value to convert into a Date object [Required]. * @param {Object} The expected format {String} or an array of expected formats {Array} of the date string [Required]. * @return {Date} A Date object or null if the string cannot be converted into a Date. */ $D.parseExact = function (s, fx) { return $D.getParseFunction(fx)(s); }; }());