5 Ways to export the same Node.js module

1.js

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

dude.say('hey bro.');

2.js

var dude = module.exports = function(){};

dude.say = function(message) {
  console.log(message);
};

2_.js

var dude = module.exports = {
  say : function(message) {
    console.log(message);
  }
};

3.js

exports.say = function(message) {
  console.log(message);
};

4.js

module.exports = Object.create({
  say : function(message) {
    console.log(message);
  }
});

5.js

module.exports = function(params) {
  return {
    say : function(message) {
      console.log(message);
    }
  }
}

var dude = new require('./dude')(/* params? */);

dude.say('hey bro.');