Create getter and setter module in NodeJS

var number, origin, destination;

exports.setNumber = function (num) {

number = num;

};

exports.setOrigin = function (o) {

origin = o;

};

exports.setDestination = function (d) {

destination = d;

};

exports.getInfo = function () {

return {

number      : number,

origin      : origin,

destination : destination

};

};

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user in app.js

var flight = require('./flight');

flight.setOrigin('Kensington');

flight.setDestination('London');

flight.setNumber(356);

console.log(flight.getInfo());