<!DOCTYPE html>
<html>
<head>
<title>jQuery ready() method</title>
<script src="jquery-latest.min.js"></script>
<script>
$(document).ready(function(){
$("p").hide();
$("#btn1").click(function () {
$("p").toggle("slow");
});
});
</script>
</head>
<body>
<div>
<p>first paragraph start here...</p>
</div>
<button id="btn1">Click Me</button>
</body>
</html>