$(document).ready(function () {
$("#myButton").click(function () {
$("#targetP").before("<h3>Jquery is easy to learn.</h3>")
});
});
<html>
<head>
<title>before</title>
</head>
<body>
<p id="targetP">Jquery is amazing.</p>
<br />
<input type="button" id="myButton" value="Before"/>
<input type="button" id="reset" value="reset" onclick="location.reload()" />
</body>
</html>