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 x = 9;
var y = 5;

var add = function() {
var a = x + y;
  return a;
};

var b = x + 5;
</script>


<script id="jsbin-source-javascript" type="text/javascript">var x = 9;
var y = 5;

var add = function() {
var a = x + y;
  return a;
};

var b = x + 5;</script></body>
</html>