/*

Based on Rick Strahl code

http://www.west-wind.com/weblog/posts/2008/Mar/18/A-simple-formatDate-function-for-JavaScript

​

Contributors:

Mário Rinaldi <lalo.rinaldi@gmail.com>

*/

​

Date.prototype.formatDate = function (format) {

    var date = this,

        day = date.getDate(),

        month = date.getMonth() + 1,

        year = date.getFullYear(),

        hours = date.getHours(),

        minutes = date.getMinutes(),

        seconds = date.getSeconds();

​

    if (!format) {

        format = "MM/dd/yyyy";

    }

​

    format = format.replace("MM", month.toString().replace(/^(\d)$/, '0$1'));

​

    if (format.indexOf("yyyy") > -1) {

        format = format.replace("yyyy", year.toString());

    } else if (format.indexOf("yy") > -1) {

        format = format.replace("yy", year.toString().substr(2, 2));

    }

​

    format = format.replace("dd", day.toString().replace(/^(\d)$/, '0$1'));

​

    if (format.indexOf("t") > -1) {

        if (hours > 11) {

            format = format.replace("t", "pm");

        } else {

            format = format.replace("t", "am");

        }

    }

​

    if (format.indexOf("HH") > -1) {

        format = format.replace("HH", hours.toString().replace(/^(\d)$/, '0$1'));

    }

​

    if (format.indexOf("hh") > -1) {

        if (hours > 12) {

            hours -= 12;

        }

​

        if (hours === 0) {

            hours = 12;

        }

        format = format.replace("hh", hours.toString().replace(/^(\d)$/, '0$1'));

    }

​

    if (format.indexOf("mm") > -1) {

        format = format.replace("mm", minutes.toString().replace(/^(\d)$/, '0$1'));

    }

​

    if (format.indexOf("ss") > -1) {

        format = format.replace("ss", seconds.toString().replace(/^(\d)$/, '0$1'));

    }

​

    return format;

};

​

var d1 = new Date(1351596249000);

console.log(d1.formatDate("dd/MM/yy hh:mm"));

​

var d2 = new Date();

console.log(d2.formatDate("dd/MM/yy HH:mm t"));