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">
// Write your code below
var myNumber = 30;
myNumber = 20;
myNumber += 5;
var greeting = "Hello";
var name = "Margaret";
var sayHello = greeting + " " + name;
</script>


<script id="jsbin-source-javascript" type="text/javascript">// Write your code below
var myNumber = 30;
myNumber = 20;
myNumber += 5;
var greeting = "Hello";
var name = "Margaret";
var sayHello = greeting + " " + name;
</script></body>
</html>