<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("#demo").click(function(){
$(this).next().toggle();
});
var x=10;
console.log((typeof x=='number'))
var y='raam';
});
</script>
</head>
<body>
<p>If you click on me, I will disappear.</p>
<p id="demo" >Click me away!</p>
<p>Click me too!</p>
</body>
</html>
