javascript Date toMySqlDate

toMySqlDate.js

d = new Date(); // => Thu Feb 26 2015 22:16:14 GMT-0600 (CST)
d.toMySQLDateTime(); // => 2015-02-26 22:16:14

Date.prototype.toMySQLDateTime = function () {
  function addZ(n) {
    return (n<10? '0' : '') + n;
  }
  return this.getFullYear() + '-' +
    addZ(this.getMonth() + 1) + '-' +
    addZ(this.getDate()) + ' ' +
    addZ(this.getHours()) + ':' +
    addZ(this.getMinutes()) + ':' +
    addZ(this.getSeconds());
};