<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script>
$(document).ready(function(){
$("body").delegate("p", "click", function(){
$(this).slideToggle();
});
$("button").click(function(){
$("body").undelegate();
});
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<p>Click any p element to make it disappear.</p>
<button>Remove event handlers, added with the delegate() method, from all elements</button>
</body>
</html>