function foo() {
  var bar;
  quux = 42;
  function zip() {
    var quux = 42+42;
  }
}

function foo() {
  var bar;
  quux = 42;
  function zip() {
    var quux = 42+42
    bar = true;
  }

  return zip;
}

Complete 'Closures' challenge in 'Scopes chains closures' tutorial
Complete 'Closures' challenge in 'Scopes chains closures' tutorial
