<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script>
$(document).ready(function(){
$("p").dblclick(function(){
alert("The paragraph was double-clicked.");
});
});
</script>
</head>
<body>
<p>Double-click on this paragraph.</p>
</body>
</html>