"JavaScript" date and number formatting

    var date, number;     /** * Allow date and time to be displayed in the specified format * @param date * @param formatString format string * @returns {*} returns the resulting datetime string     * * @example * var d = new Date ();     *//Output d in YYYY-MM-DD hh:mm:ss format time String * J.format.date (D, "Yyyy-mm-dd hh:mm:ss");         */date = function (date, formatString) {/* * eg:formatstring= "yyyy-mm-dd hh:mm:ss";            */var o = {"m+": Date.getmonth () + 1,//month "d+": Date.getdate (),//day "H +": date.gethours (),//hour "m+": Date.getminutes (),//minute "s+": Date.getseconds (),// Second "q+": Math.floor ((Date.getmonth () + 3)/3),//quarter "S": Date.getmilliseconds ()//mi        Llisecond}; if (/(y+)/.test (formatString)) {formatString = Formatstring.replace (regexp.$1, (date.getfullyear () + ""). Subst        R (4-regexp.$1.length));      } for (var k in O) {      if (New RegExp ("(" + K + ")"). Test (formatString)) {formatString = Formatstring.replace (regexp.$1, Re Gexp.$1.length = = 1?            O[k]: ("XX" + o[k]). substr (("" + o[k]). length);    }} return formatString;    }; /** * @memberOf Format * @method number * Formatted digital display * @param num number to format * @param pattern format * @ex     Ample * J.format.number (12345.999, ' #,# #0.00 ');     *//out:12,34,5.99 * J.format.number (12345.999, ' 0 ');     *//out:12345 * J.format.number (1234.888, ' #.0 ');     *//out:1234.8 * J.format.number (1234.888, ' 000000.000000 ');  *//out:001234.888000 */number = function (num, pattern) {var strarr = num? num.tostring (). Split ('. '):        [' 0 ']; var Fmtarr = pattern?        Pattern.split ('. '): ['];        var retstr = ';        Integral part var str = strarr[0];        var FMT = fmtarr[0];        var i = str.length-1;        var comma = false; for (var f = fmt.length-1; F >= 0;                        f--) {switch (FMT.SUBSTR (f, 1)) {case ': if (I >= 0)                    Retstr = Str.substr (i--, 1) + retstr;                Break                    Case ' 0 ': if (i >= 0) retstr = str.substr (i--, 1) + retstr;                    else Retstr = ' 0 ' + retstr;                Break                    Case ', ': comma = true;                    Retstr = ', ' + retstr;            Break                }} if (I >= 0) {if (comma) {var L = str.length;                    for (; I >= 0; i--) {retstr = Str.substr (i, 1) + retstr;                if (i > 0 && ((l-i)% 3) = = 0) retstr = ', ' + retstr;        }} else Retstr = str.substr (0, i + 1) + retstr;        } retstr = Retstr + '. ';  Working with decimal parts      str = strarr.length > 1?        STRARR[1]: "; FMT = fmtarr.length > 1?        FMTARR[1]: ";        i = 0;                    for (var f = 0; f < fmt.length; f++) {switch (FMT.SUBSTR (f, 1)} {case ':                    if (i < str.length) Retstr + = Str.substr (i++, 1);                Break                    Case ' 0 ': if (i < str.length) Retstr + = Str.substr (i++, 1);                    else retstr + = ' 0 ';            Break    }} return Retstr.replace (/^,+/, "). Replace (/\.$/,"); };

　　

"JavaScript" date and number formatting