hello.js

class Foo { // LOL FOO
  bar() {
    console.log("Hello, is it me you're looking for");
  }
}

class Derp { // LOL DERP
  durr() {
    console.log("I can see it in your eyes");
  }
}

var fooInstance = new Foo();
fooInstance.bar();

Foo.prototype.bar = function() {
  console.log("You're all I've ever wanted, and my arms are open wide");
};


var derpInstance = new Derp();
derpInstance.durr();


console.log("I can see it in your soul");

fooInstance.bar();

Derp.prototype.durr = function() {
  console.log("Cause you know just what to say");
};

derpInstance.durr();


Derp.prototype.durr = function() {
  console.log("And you know just what to do");
};

derpInstance.durr();

Derp.prototype.durr = function() {
  console.log("And I want to tell you so much, I love you");
};

derpInstance.durr();

Foo.prototype.bar = function() {
  console.log("I long to see the sunlight in your hair");
};
fooInstance.bar();

Foo.prototype.bar = function() {
  console.log("And tell you time and time again how much I care");
};
fooInstance.bar();
Foo.prototype.bar = function() {
  console.log("Sometimes I feel my heart will overflow");
};
fooInstance.bar();