Untitled

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
var pet = {
  name: "Rover",
  species: "dog",
  favoriteToy: "tennis ball",
  age: 5
};
pet.age = 6;
pet.favoriteFood = "bacon";
var petName = pet.name;
</script>


<script id="jsbin-source-javascript" type="text/javascript">var pet = {
  name: "Rover",
  species: "dog",
  favoriteToy: "tennis ball",
  age: 5
};
pet.age = 6;
pet.favoriteFood = "bacon";
var petName = pet.name;
</script></body>
</html>