Tryit Editor v2.7

Edit This Code:

<!DOCTYPE html>
<html>
<body>

<p id="demo"></p>

<script>
  var txt = "";
  var person = { fname: "John", lname: "Doe", age: 25 };
  var x;
  for (x in person) {
    txt += person[x] + " ";
  }
  document.getElementById("demo").innerHTML = txt;
</script>

</body>
</html>