Javascript this quiz

gistfile1.js

// current scope is global..

function Test(n) {
  this.test = n;

  var bob = function (n) {
      this.test = n;
  };

  this.fn = function (n) {
    bob(n);
    return this.test;
  }
}

var test = new Test(5);

// What does this return
test.fn(1);

// And this?
test.fn(2);