<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("p").on("click.mySomething",function(){
$(this).slideToggle();
});
$("button").click(function(){
$("p").off("click.mySomething");
});
});
</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 the click.mySomething namespace for all p elements</button>
<br><br>
<div>"click.mySomething" defines the mySomething namespace for this particular click event. This event could be removed by using .off("click.mySomething"), without removing other click handlers attached to the specified element.�</div>
</body>
</html>